Health and medicine
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14 units873 videos127 hours
Learn it live with a class on Puzzicle · Teachers: use it with your class
Unit 1: Introduction to human body systems
Circulatory system introduction
Meet the heart! ✓ Check-ins10:09
Flow through the heart ✓ Check-ins7:51
Two circulations in the body ✓ Check-ins12:25
Lub dub ✓ Check-ins9:50
Parts of the heart ✓ Check-ins12:13
Arteries vs. veins - what's the difference? ✓ Check-ins7:44
Arteries, arterioles, venules, and veins ✓ Check-ins7:43
What is blood pressure? ✓ Check-ins6:21
Respiratory system introduction
Hematologic system introduction
Endocrine system introduction
Nervous system introduction
Anatomy of a neuron ✓ Check-ins6:13
Structure of the nervous system ✓ Check-ins8:48
Functions of the nervous system ✓ Check-ins6:38
Introduction to neural cell types ✓ Check-ins4:11
Overview of neuron function ✓ Check-ins7:59- Synapse structure
Neuronal synapses (chemical) ✓ Check-ins15:53
Types of neurotransmitters ✓ Check-ins8:46
Types of neurotransmitter receptors ✓ Check-ins6:36
Gastrointestinal system introduction
Meet the gastrointestinal tract! ✓ Check-ins5:21
Mouth ✓ Check-ins7:30
Esophagus ✓ Check-ins5:34
Stomach ✓ Check-ins5:58
Small intestine 1: Structure6:30
Small intestine 2: Digestion ✓ Check-ins6:45
Small intestine 3: Absorption ✓ Check-ins4:55
Liver ✓ Check-ins6:28
Biliary tree ✓ Check-ins6:00
Exocrine pancreas ✓ Check-ins9:49
Endocrine pancreas ✓ Check-ins6:50
Colon, rectum, and anus ✓ Check-ins9:45
Musculoskeletal system introduction
Myosin and actin ✓ Check-ins9:38
How tropomyosin and troponin regulate muscle contraction ✓ Check-ins9:22
Anatomy of a skeletal muscle cell ✓ Check-ins12:42
Neuromuscular junction, motor end-plate ✓ Check-ins9:00
Three types of muscle ✓ Check-ins11:29
Type 1 and type 2 muscle fibers ✓ Check-ins9:09
Skeletal structure and function ✓ Check-ins6:52
Microscopic structure of bone - the Haversian system ✓ Check-ins4:09
Reproductive system introduction
Welcome to the reproductive system ✓ Check-ins6:38
Anatomy of the male reproductive system ✓ Check-ins10:03
Transport of sperm via erection and ejaculation ✓ Check-ins10:57
Spermatogenesis ✓ Check-ins10:28
Testosterone ✓ Check-ins9:40
Basics of egg development ✓ Check-ins7:19
The ovarian cycle ✓ Check-ins10:45
Meet the placenta! ✓ Check-ins12:33
Reproductive cycle graph - Follicular phase ✓ Check-ins8:39
Reproductive cycle graph - Luteal phase ✓ Check-ins9:05
Estrogen ✓ Check-ins7:21
Breast anatomy and lactation ✓ Check-ins7:27
Immunologic system introduction
Role of phagocytes in innate or nonspecific immunity ✓ Check-ins16:20
Types of immune responses: Innate and adaptive, humoral vs. cell-mediated ✓ Check-ins8:07
B lymphocytes (B cells) ✓ Check-ins14:13
Professional antigen presenting cells (APC) and MHC II complexes ✓ Check-ins11:33
Helper T cells ✓ Check-ins20:33
Cytotoxic T cells ✓ Check-ins10:06
Review of B cells, CD4+ T cells and CD8+ T cells ✓ Check-ins11:07
Clonal selection ✓ Check-ins9:49
Self vs. non-self immunity ✓ Check-ins14:29
How white blood cells move around ✓ Check-ins8:48
Inflammatory response ✓ Check-ins14:35
Blood cell lineages8:20
Urinary system introduction
Meet the kidneys! ✓ Check-ins6:24
Kidney function and anatomy ✓ Check-ins7:58
Glomerular filtration in the nephron ✓ Check-ins7:18
Changing glomerular filtration rate ✓ Check-ins4:25
Countercurrent multiplication in the kidney ✓ Check-ins10:53
Urination ✓ Check-ins9:33
The kidney and nephron ✓ Check-ins18:38
Secondary active transport in the nephron ✓ Check-ins14:13
Integumentary system introduction
Meet the skin! (Overview) ✓ Check-ins5:16
What is skin? (Epidermis) ✓ Check-ins11:08
What lies beneath the epidermis? (Dermis and Hypodermis) ✓ Check-ins10:07
Where do our nails and hair come from? ✓ Check-ins8:38
What's in sweat? (Holocrine, Apocrine, Merocrine Glands) ✓ Check-ins6:26
LeBron Asks: Why does sweating cool you down? ✓ Check-ins5:41
Overview of Sensation and Meissner's Corpuscle8:03
Pacinian's Corpuscle and Merkel's Disk ✓ Check-ins7:18
Ruffini's Ending and Hair Follicle Receptor ✓ Check-ins7:32
Pain and temperature ✓ Check-ins9:22
Thermoregulation mechanisms ✓ Check-ins8:23
Unit 2: Circulatory system anatomy and physiology
Circulatory anatomy and blood flow
- Meet the heart! ✓ Check-ins10:09
- Flow through the heart ✓ Check-ins7:51
- Two circulations in the body ✓ Check-ins12:25
- Parts of the heart ✓ Check-ins12:13
- Lub dub ✓ Check-ins9:50
- Arteries vs. veins - what's the difference? ✓ Check-ins7:44
- Arteries, arterioles, venules, and veins ✓ Check-ins7:43
Thermoregulation in the circulatory system ✓ Check-ins7:02
Heart muscle contraction
- Three types of muscle ✓ Check-ins11:29
Heart cells up close! ✓ Check-ins14:00- Myosin and actin ✓ Check-ins9:38
- How tropomyosin and troponin regulate muscle contraction ✓ Check-ins9:22
Calcium puts myosin to work ✓ Check-ins10:03
Sympathetic nerves affect myosin activity ✓ Check-ins12:02
Why doesn't the heart rip? ✓ Check-ins10:26
Heart depolarization
Membrane potentials - part 1 ✓ Check-ins8:22
Membrane potentials - part 2 ✓ Check-ins8:45
Permeability and membrane potentials ✓ Check-ins12:42
Action potentials in pacemaker cells ✓ Check-ins15:40
Action potentials in cardiac myocytes ✓ Check-ins12:11
Resetting cardiac concentration gradients ✓ Check-ins14:58
Electrical system of the heart ✓ Check-ins9:43
Depolarization waves flowing through the heart ✓ Check-ins11:44
A race to keep pace! ✓ Check-ins13:25
Thinking about heartbeats ✓ Check-ins9:30
New perspective on the heart ✓ Check-ins8:52
Blood pressure
- What is blood pressure? ✓ Check-ins6:21
Learn how a stethoscope can help determine blood pressure ✓ Check-ins5:27
Resistance in a tube ✓ Check-ins8:54
Adding up resistance in series and in parallel ✓ Check-ins10:33
Adding up resistance problem ✓ Check-ins3:23
Flow and perfusion ✓ Check-ins10:31
Putting it all together: Pressure, flow, and resistance ✓ Check-ins11:50
Blood pressure changes over time ✓ Check-ins11:25
Regulation of blood pressure with baroreceptors ✓ Check-ins12:09
Blood vessels
- Arteries vs. veins - what's the difference? ✓ Check-ins7:44
- Arteries, arterioles, venules, and veins ✓ Check-ins7:43
Layers of a blood vessel ✓ Check-ins10:11
Three types of capillaries ✓ Check-ins9:17
Pre-capillary sphincters4:20
Compliance and elastance ✓ Check-ins9:57
Bernoulli's equation of total energy ✓ Check-ins6:58
Stored elastic energy in large and middle sized arteries ✓ Check-ins6:21
Compliance - decreased blood pressure ✓ Check-ins9:55
Compliance - increased blood flow ✓ Check-ins6:54
Blood pressure control by the kidney
Parts of a nephron ✓ Check-ins9:09
General overview of the RAAS system: Cells and hormones ✓ Check-ins14:09
Renin production in the kidneys ✓ Check-ins14:09
Activating angiotensin 2 ✓ Check-ins10:20
Angiotensin 2 raises blood pressure ✓ Check-ins10:40
Aldosterone raises blood pressure and lowers potassium ✓ Check-ins13:18
Aldosterone removes acid from the blood ✓ Check-ins11:20
ADH secretion ✓ Check-ins15:05
ADH effects on blood pressure ✓ Check-ins9:33
Aldosterone and ADH ✓ Check-ins9:47
Nerve regulation of the heart
Preload and afterload
- Why doesn't the heart rip? ✓ Check-ins10:26
What is preload? ✓ Check-ins13:33
Preload and pressure ✓ Check-ins12:23
Preload stretches out the heart cells ✓ Check-ins12:41
Frank-Starling mechanism ✓ Check-ins14:18
Sarcomere length-tension relationship ✓ Check-ins8:50
Active contraction vs. passive recoil ✓ Check-ins7:31
What is afterload? ✓ Check-ins10:28
Increasing the heart's force of contraction ✓ Check-ins14:30
Pressure volume loops
Pressure in the left heart - part 1 ✓ Check-ins14:59
Pressure in the left heart - part 2 ✓ Check-ins12:44
Pressure in the left heart - part 3 ✓ Check-ins13:02
Left ventricular pressure vs. time ✓ Check-ins10:51
Left ventricular volume vs. time ✓ Check-ins9:01
Drawing a pressure-volume loop ✓ Check-ins9:04
Understanding the pressure-volume loop ✓ Check-ins9:18
End diastolic pressure-volume relationship (EDPVR) ✓ Check-ins9:58
End systolic pressure-volume relationship (ESPVR) ✓ Check-ins10:23
Reimagine the pressure volume relationship ✓ Check-ins13:38- What is preload? ✓ Check-ins13:33
- Why doesn't the heart rip? ✓ Check-ins10:26
Changing the PV loop
- What is preload? ✓ Check-ins13:33
- What is afterload? ✓ Check-ins10:28
- Increasing the heart's force of contraction ✓ Check-ins14:30
- Reimagine the pressure volume relationship ✓ Check-ins13:38
What is contractility? ✓ Check-ins13:45
Getting Ea (arterial elastance) from the PV loop ✓ Check-ins11:21
Arterial elastance (Ea) and afterload ✓ Check-ins9:33
Arterial elastance (Ea) and preload ✓ Check-ins7:43
Stroke work in PV loops and boxes ✓ Check-ins6:53
Contractility, Ea, and preload effects on PV boxes ✓ Check-ins13:11
Fetal circulation
- Meet the placenta! ✓ Check-ins12:33
Umbilical vessels and the ductus venosus ✓ Check-ins12:33
Hypoxic pulmonary vasoconstriction ✓ Check-ins9:14
Foramen ovale and ductus arteriosus ✓ Check-ins14:13
Fetal hemoglobin and hematocrit ✓ Check-ins14:32
Double Bohr effect ✓ Check-ins10:34
Fetal circulation right before birth ✓ Check-ins11:53
Baby circulation right after birth ✓ Check-ins13:25
Fetal structures in an adult ✓ Check-ins8:17
Unit 3: Circulatory system diseases
Heart disease and heart attacks
Introductory heart disease terminology12:21
Stenosis, ischemia and heart failure ✓ Check-ins7:53
Thromboemboli and thromboembolisms ✓ Check-ins5:04
What is coronary artery disease? ✓ Check-ins13:39
Risk factors for coronary artery disease ✓ Check-ins12:34
Atherosclerosis ✓ Check-ins13:45
Heart attack (myocardial infarction) pathophysiology ✓ Check-ins11:49
Heart attack (myocardial infarct) diagnosis ✓ Check-ins10:45
Heart attack (myocardial infarct) medications ✓ Check-ins5:34
Heart attack (myocardial infarction) interventions and treatment ✓ Check-ins7:24
Healing after a heart attack (myocardial infarction) ✓ Check-ins7:43
Complications after a heart attack (myocardial infarction) ✓ Check-ins9:08
Atherosclerosis, arteriosclerosis, and arteriolosclerosis
Stroke
Cerebral blood supply: Part 1 ✓ Check-ins10:23
Cerebral blood supply: Part 2 ✓ Check-ins4:32
What is a stroke? ✓ Check-ins11:28
Risk factors for stroke ✓ Check-ins11:41
Ischemic stroke ✓ Check-ins8:22
Hemorrhagic strokes ✓ Check-ins7:28
Ischemic core and penumbra ✓ Check-ins4:57
The ischemic cascade in stroke ✓ Check-ins6:35
Blood brain barrier and vasogenic edema ✓ Check-ins6:02
Post stroke inflammation ✓ Check-ins6:00
Stroke diagnosis and management
How do you know if someone is having a stroke: Think FAST! ✓ Check-ins4:33
Common stroke signs and symptoms ✓ Check-ins8:26
Diagnosing strokes by history and physical exam ✓ Check-ins4:52
Diagnosing strokes with imaging CT, MRI, and Angiography ✓ Check-ins9:30
Diagnosing strokes with lab tests ✓ Check-ins6:20
Acute treatment of stroke with medications ✓ Check-ins9:18
Treatment of stroke with interventions ✓ Check-ins7:14
Preventing further strokes ✓ Check-ins8:54
Hypertension
Intro to hypertension (Pressure, flow, and resistance) ✓ Check-ins4:33
Intro to hypertension (systolic and diastolic blood pressure) ✓ Check-ins7:09
Stages of hypertension ✓ Check-ins6:14
Hypertension types and causes ✓ Check-ins8:27
Primary hypertension ✓ Check-ins5:51
Secondary hypertension ✓ Check-ins5:41
Hypertension effects on the blood vessels ✓ Check-ins7:09
Hypertension and blood vessel damage ✓ Check-ins4:36
Hypertension effects on the heart ✓ Check-ins7:19
Hypertension and heart damage ✓ Check-ins4:22
Complications of hypertension ✓ Check-ins5:26
Hypertensive crisis ✓ Check-ins4:09
Diagnosis of hypertension ✓ Check-ins5:11
Treatment of hypertension ✓ Check-ins5:27
4 lifestyle changes to help manage hypertension ✓ Check-ins6:35
Heart failure
What is heart failure? ✓ Check-ins8:37
Systolic heart failure pathophysiology ✓ Check-ins7:31
Diastolic heart failure pathophysiology ✓ Check-ins8:45
Compensation and decompensation in heart failure ✓ Check-ins7:51
Symptoms of left sided heart failure ✓ Check-ins4:57
Symptoms of right sided heart failure ✓ Check-ins4:22
Heart failure diagnosis6:16
Heart failure treatment - Early stages ✓ Check-ins4:30
Heart failure treatment - Late stages ✓ Check-ins4:03
Heart failure treatment - Devices and surgery ✓ Check-ins5:05
Aortic dissection and aneurysm
Myocarditis and pericarditis
What is myocarditis and pericarditis? ✓ Check-ins6:46
Causes of myocarditis ✓ Check-ins8:51
Causes of pericarditis ✓ Check-ins10:11
Diagnosis of myocarditis and pericarditis (part 1) ✓ Check-ins12:48
Diagnosis of myocarditis and pericarditis (part 2) ✓ Check-ins13:43
Myocarditis and pericarditis treatment ✓ Check-ins10:38
Cardiomyopathy
What is cardiomyopathy? ✓ Check-ins10:34
Cardiomyopathy signs and symptoms ✓ Check-ins13:13
Dilated cardiomyopathy: Pathophysiology and diagnosis ✓ Check-ins10:07
Hypertrophic cardiomyopathy: Pathophysiology and diagnosis ✓ Check-ins13:13
Restrictive cardiomyopathy: Pathophysiology and diagnosis ✓ Check-ins9:50
Cardiomyopathy treatment ✓ Check-ins7:37
Cardiac dysrhythmias and tachycardias
Electrical conduction in heart cells ✓ Check-ins7:46
Normal sinus rhythm on an EKG ✓ Check-ins8:53
Supraventricular tachycardia (SVT) ✓ Check-ins6:39
Atrial fibrillation (Afib) ✓ Check-ins3:58
Atrial flutter (AFL) ✓ Check-ins3:56
Multifocal atrial tachycardia (MAT) ✓ Check-ins6:20
Atrioventricular reentrant tachycardia (AVRT) & AV nodal reentrant tachycardia (AVNRT) ✓ Check-ins10:43
Ventricular tachycardia (Vtach) ✓ Check-ins7:44
Torsades de pointes ✓ Check-ins10:00
What is ventricle fibrillation (Vfib)? ✓ Check-ins8:49
Pulseless electrical activity (PEA) and asystole ✓ Check-ins10:45
Electrocardioversion ✓ Check-ins7:04
Pacemakers ✓ Check-ins7:37
Antiarrhythmics ✓ Check-ins12:08
Ablation ✓ Check-ins7:03
Heart valve diseases
What is valvular heart disease? ✓ Check-ins10:41
Valvular heart disease causes ✓ Check-ins8:48
How to identify murmurs ✓ Check-ins9:02
Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 1 ✓ Check-ins12:07
Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 2 ✓ Check-ins14:39
Aortic stenosis and aortic regurgitation12:07
Mitral valve regurgitation and mitral valve prolapse ✓ Check-ins11:00
Mitral stenosis ✓ Check-ins9:11
Valvular heart disease diagnosis and treatment ✓ Check-ins9:46
Acyanotic heart diseases
Cyanotic heart diseases
What is cyanotic heart disease ✓ Check-ins7:12
Shunting in the heart ✓ Check-ins9:47
Einsenmenger coarctation of aorta ✓ Check-ins4:42
Tetralogy of fallot ✓ Check-ins11:09
Truncus arteriosus ✓ Check-ins3:23
Total anomalous pulmonary venous return ✓ Check-ins3:40
Tricuspid atresia ✓ Check-ins4:49
Transposition of great arteries ✓ Check-ins5:18
Ebstein's anomaly ✓ Check-ins6:07
Hypoplastic left heart syndrome and norwood glenn fontan ✓ Check-ins10:36
Cyanotic heart diseases - Diagnosis and treatment ✓ Check-ins3:48
Shock
What is shock? ✓ Check-ins7:16
Shock - hemodynamics ✓ Check-ins7:40
Shock - oxygen delivery and metabolism ✓ Check-ins9:08
Shock - diagnosis and treatment ✓ Check-ins11:19
Cardiogenic shock ✓ Check-ins10:50
Sepsis: Systemic inflammatory response syndrome (SIRS) to multiple organ dysfunction syndrome (MODS) ✓ Check-ins7:44
Septic shock - pathophysiology and symptoms ✓ Check-ins10:00
Septic shock: Diagnosis and treatment ✓ Check-ins7:52
Hypovolemic shock ✓ Check-ins9:38
Neurogenic shock ✓ Check-ins8:19
Obstructive shock ✓ Check-ins11:17
Anaphylactic shock ✓ Check-ins8:30
Dissociative shock ✓ Check-ins12:19
Differentiating shock ✓ Check-ins9:47
Vasculitis
What is vasculitis? ✓ Check-ins6:46
Vasculitis pathophysiology ✓ Check-ins5:57
Temporal arteritis ✓ Check-ins10:17
Takayasu arteritis ✓ Check-ins7:16
Polyarteritis nodosa ✓ Check-ins11:45
What is Kawasaki disease? ✓ Check-ins5:42
Kawasaki disease: diagnosis and treatment ✓ Check-ins12:31
Buerger disease ✓ Check-ins4:34
Churg-Strauss syndrome ✓ Check-ins4:05
Henoch-Schonlein purpura ✓ Check-ins6:04
Unit 4: Respiratory system anatomy and physiology
Lung structure and function
Gas exchange
Unit 5: Respiratory system diseases
Introduction to pulmonary diseases
Asthma
Emphysema (COPD)
Chronic Bronchitis (COPD)
Cystic fibrosis
Occupational lung diseases
Pulmonary hypertension
What is pulmonary hypertension? ✓ Check-ins4:03
Pulmonary hypertension symptoms and causes ✓ Check-ins6:57
Hypoxic vasoconstriction ✓ Check-ins7:53
Pulmonary hypertension diagnosis Swan Ganz catheterization ✓ Check-ins2:56
Pulmonary hypertension diagnosis ✓ Check-ins4:24
Pulmonary hypertension treatment ✓ Check-ins7:09
Pneumonia
Pleural Effusion
Lung cancer
Nose, sinus, and upper respiratory conditions
Throat conditions
Laryngeal conditions
Unit 6: Hematologic system physiology and disease
Blood and blood cells
Hemoglobin
Bleeding and impaired hemostasis
Anemia
Leukemia
Iron deficiency anemia and anemia of chronic disease
Plasma cell dyscrasias
Unit 7: Endocrine system physiology and disease
Intro to endocrine hormones
Introduction to the endocrine system ✓ Check-ins9:37
Endocrine gland hormone review ✓ Check-ins11:39
The hypothalamus and pituitary gland ✓ Check-ins6:35
Hormone concentration metabolism and negative feedback ✓ Check-ins4:47
Types of hormones ✓ Check-ins10:02
Cellular mechanism of hormone action ✓ Check-ins8:23
From terpenes to steroids part 1: Terpenes ✓ Check-ins7:49
From terpenes to steroids part 2: Squalene, cholesterol, and steroids ✓ Check-ins4:29
Biological basis of behavior: Endocrine system
Diabetes
What is diabetes mellitus? ✓ Check-ins8:28
Breaking down diabetes ✓ Check-ins6:57
Types of diabetes ✓ Check-ins5:58
Pathophysiology - Type I diabetes ✓ Check-ins11:06
Pathophysiology - Type II diabetes ✓ Check-ins7:44
Diagnosing diabetes ✓ Check-ins8:23
Treating type I diabetes8:49
Treating type II diabetes - Pharmacology ✓ Check-ins9:17
Treating type II diabetes - A practical approach ✓ Check-ins2:23
Acute complications of diabetes - Diabetic ketoacidosis ✓ Check-ins11:26
Acute complications of diabetes - Hyperosmolar hyperglycemic nonketotic state ✓ Check-ins10:25
Diabetic nephropathy - Mechanisms ✓ Check-ins9:43
Diabetic nephropathy - Clinical presentation & treatment ✓ Check-ins10:05
Diabetic retinopathy ✓ Check-ins13:21
Unit 8: Nervous system physiology and disease
Structure and function of the nervous system
- Anatomy of a neuron ✓ Check-ins6:13
- Structure of the nervous system ✓ Check-ins8:48
- Functions of the nervous system ✓ Check-ins6:38
Cerebral cortex ✓ Check-ins8:22
Motor unit ✓ Check-ins9:36
Upper motor neurons ✓ Check-ins13:41
Peripheral somatosensation ✓ Check-ins9:28
Somatosensory tracts ✓ Check-ins7:07
Muscle stretch reflex ✓ Check-ins9:34
Autonomic nervous system ✓ Check-ins11:24
Neural cell types
Function of neurons and neurotransmitters
Overview of neuron structure (types of neurons) ✓ Check-ins7:04- Overview of neuron function ✓ Check-ins7:59
- Synapse structure
Neurotransmitter release ✓ Check-ins4:20
Neurotransmitter removal ✓ Check-ins3:47- Types of neurotransmitters ✓ Check-ins8:46
- Types of neurotransmitter receptors ✓ Check-ins6:36
Neuroplasticity ✓ Check-ins9:40
Neuron membrane potentials
Neuron resting potential description ✓ Check-ins7:15
Neuron resting potential mechanism ✓ Check-ins13:16
Neuron graded potential description ✓ Check-ins9:48
Neuron graded potential mechanism ✓ Check-ins10:11
Neuron action potential description ✓ Check-ins6:54
Neuron action potential mechanism ✓ Check-ins9:23
Effects of axon diameter and myelination ✓ Check-ins10:46
Action potential patterns ✓ Check-ins5:05
Electrotonic and action potentials ✓ Check-ins10:18
Saltatory conduction in neurons ✓ Check-ins11:08
Sensory perception
Visual cues8:02
Sensory adaptation ✓ Check-ins6:41
Weber's law and thresholds ✓ Check-ins9:01
Somatosensation ✓ Check-ins7:44
Signal detection theory - part 1 ✓ Check-ins6:32
Signal detection theory - part 2 ✓ Check-ins5:03
Bottom-up vs. top-down processing ✓ Check-ins4:27
Gestalt principles ✓ Check-ins8:08
Sight (vision)
The structure of the eye ✓ Check-ins10:28
Visual sensory information ✓ Check-ins8:02
The phototransduction cascade ✓ Check-ins9:56
Photoreceptors (rods vs cones) ✓ Check-ins5:06
Photoreceptor distribution in the fovea ✓ Check-ins5:43
Visual field processing ✓ Check-ins4:10
Feature detection and parallel processing ✓ Check-ins7:09
Sound (Audition)
Somatosensation
Taste (gustation) and smell (olfaction)
Parkinson's disease
What is Parkinson's disease?8:54
Movement signs and symptoms of Parkinson's disease ✓ Check-ins10:26
Non-movement symptoms of Parkinson's disease ✓ Check-ins8:39
The basal ganglia - The direct pathway ✓ Check-ins10:47
The basal ganglia - Concepts of the indirect pathway ✓ Check-ins8:43
The basal ganglia - Details of the indirect pathway ✓ Check-ins8:26
Putting it all together - Pathophysiology of Parkinson's disease ✓ Check-ins6:01
Genetics and Parkinson's disease ✓ Check-ins12:03
Diagnosing Parkinson's disease ✓ Check-ins9:42
Managing Parkinson's disease with medications ✓ Check-ins9:59
Managing Parkinson's disease with surgery ✓ Check-ins9:01
Multiple sclerosis
What is multiple sclerosis? ✓ Check-ins7:10
Multiple sclerosis signs and symptoms ✓ Check-ins8:52
Clinical progression of multiple sclerosis ✓ Check-ins7:21
Multiple sclerosis pathophysiology ✓ Check-ins7:11
Multiple sclerosis risk factors ✓ Check-ins6:25
Multiple sclerosis diagnosis ✓ Check-ins7:44
Multiple sclerosis treatment ✓ Check-ins6:28
Miscellaneous topics
Unit 9: Brain function and mental health
Cognition
Attention and language
Divided attention, selective attention, inattentional blindness, & change blindness ✓ Check-ins6:42
Theories of selective attention ✓ Check-ins5:01
Theories of language and cognition ✓ Check-ins5:07
Theories of language development: Nativist, learning, interactionist ✓ Check-ins4:01
Language and the brain: Aphasia and split-brain patients ✓ Check-ins6:11
Sleep and consciousness
Memory
Information processing model: Sensory, working, and long term memory ✓ Check-ins7:34
Encoding strategies ✓ Check-ins8:39
Retrieval cues ✓ Check-ins4:38
Retrieval: Free recall, cued recall, and recognition ✓ Check-ins4:25
Memory reconstruction, source monitoring, and emotional memories ✓ Check-ins4:47
Long term potentiation and synaptic plasticity ✓ Check-ins2:37
Decay and interference ✓ Check-ins4:33
Aging and cognitive abilities ✓ Check-ins3:09
Alzheimer's disease and Korsakoff's syndrome ✓ Check-ins3:50
Emotion
Drug abuse and drug addictions
Overview of psychoactive drugs ✓ Check-ins7:08
Psychoactive drugs: Depressants and opiates4:27
Psychoactive drugs: Stimulants ✓ Check-ins3:19
Psychoactive drugs: Hallucinogens ✓ Check-ins3:46
Routes of drug entry ✓ Check-ins3:51
Drug dependence and homeostasis ✓ Check-ins3:18
Reward pathway in the brain ✓ Check-ins8:26
Tolerance and withdrawal ✓ Check-ins5:33
Risk factors for drug use and drug abuse ✓ Check-ins12:01
Substance use disorders ✓ Check-ins7:31
The development of substance use - Why do people use legal and illegal substances? ✓ Check-ins10:29
Why do some people but not others develop substance use problems? ✓ Check-ins4:23
Treatments and triggers for drug dependence ✓ Check-ins7:43
How does substance use develop into substance abuse ✓ Check-ins8:07
Drug use prevention - school programming and protective factors11:16
Depression and related disorders
Introduction to psychology - Depression and major depressive disorder ✓ Check-ins11:18
Diagnosing depression ✓ Check-ins6:11
Introduction to psychology - Depression and bipolar disorder ✓ Check-ins4:32
Diagnosing bipolar disorder ✓ Check-ins5:10
Types of depression and bipolar disorder in the DSM5 ✓ Check-ins8:07
Biological basis of depression ✓ Check-ins9:02
Risk factors for bipolar disorder ✓ Check-ins6:57
Treating depression with antidepressants ✓ Check-ins11:10
Treatments for depression - Psychological therapies ✓ Check-ins8:12
Treatments for bipolar disorder ✓ Check-ins6:55
Anxiety and related disorders
Psychotic disorders
Dementia, delirium, and Alzheimer's
What are dementia and Alzheimer's ✓ Check-ins4:43
Alzheimer's disease: Plaques and tangles ✓ Check-ins5:03
Other types of dementia ✓ Check-ins5:19
Risk factors for dementia ✓ Check-ins6:01
Stages of dementia and Alzheimer's disease ✓ Check-ins5:31
Diagnosis of dementia and Alzheimer's disease ✓ Check-ins5:45
Treatment of dementia and Alzheimer's disease ✓ Check-ins5:44
What is delirium? ✓ Check-ins5:57
Neurodevelopmental disorders
Intro to neurodevelopment milestones ✓ Check-ins10:01
Neurodevelopmental disorders: Sufficient and necessary causes10:49
What is cerebral palsy and what causes it? ✓ Check-ins11:01
Types of cerebral palsy part 1 - Spastic ✓ Check-ins7:28
Types of cerebral palsy part 2 - Dyskinetic and ataxic ✓ Check-ins7:19
Diagnosing cerebral palsy10:09
Managing cerebral palsy ✓ Check-ins10:26
What is autism spectrum disorder? ✓ Check-ins10:04
What is Tourette's? ✓ Check-ins8:19
Diagnosing autism spectrum disorder ✓ Check-ins10:26
Managing autism spectrum disorder ✓ Check-ins5:22
What is asperger syndrome? ✓ Check-ins10:20
Unit 10: Gastrointestinal system physiology and disease
Components of the GI tract
- Meet the gastrointestinal tract! ✓ Check-ins5:21
- Mouth ✓ Check-ins7:30
Teeth ✓ Check-ins7:56- Esophagus ✓ Check-ins5:34
- Stomach ✓ Check-ins5:58
- Small intestine 1: Structure6:30
- Small intestine 2: Digestion ✓ Check-ins6:45
- Small intestine 3: Absorption ✓ Check-ins4:55
- Liver ✓ Check-ins6:28
Hepatic lobule ✓ Check-ins3:05- Biliary tree ✓ Check-ins6:00
- Exocrine pancreas ✓ Check-ins9:49
- Endocrine pancreas ✓ Check-ins6:50
- Colon, rectum, and anus ✓ Check-ins9:45
Control of the GI tract9:56
Gastroenteritis
What is gastroenteritis? ✓ Check-ins7:51
What is staphylococcal enteritis? ✓ Check-ins5:03
What is viral gastroenteritis?6:27
What is cholera? ✓ Check-ins4:25
What is campylobacteriosis? ✓ Check-ins5:53
What is shigellosis? ✓ Check-ins4:55
What is salmonella poisoning? ✓ Check-ins3:41
What is traveler's diarrhea? ✓ Check-ins2:59
Inflammatory bowel disease
Colon diseases
Unit 11: Musculoskeletal system physiology and disease
Muscle contraction
- Myosin and actin ✓ Check-ins9:38
- How tropomyosin and troponin regulate muscle contraction ✓ Check-ins9:22
Role of the sarcoplasmic reticulum in muscle cells ✓ Check-ins14:42- Anatomy of a skeletal muscle cell ✓ Check-ins12:42
- Neuromuscular junction, motor end-plate ✓ Check-ins9:00
- Three types of muscle ✓ Check-ins11:29
- Calcium puts myosin to work ✓ Check-ins10:03
- Type 1 and type 2 muscle fibers ✓ Check-ins9:09
- Thermoregulation mechanisms ✓ Check-ins8:23
Muscle innervation
Skeletal system introduction
Arthritis and rheumatoid arthritis
What is arthritis? ✓ Check-ins9:21
Osteoarthritis vs rheumatoid arthritis symptoms8:53
Osteoarthritis vs rheumatoid arthritis pathophysiology ✓ Check-ins9:45
Osteoarthritis vs rheumatoid arthritis treatments ✓ Check-ins7:36
Ankylosing spondylitis ✓ Check-ins10:08
Infectious arthritis ✓ Check-ins5:32
Gout and pseudogout ✓ Check-ins8:14
Gout pathophysiology ✓ Check-ins5:54
Unit 12: Reproductive system and pregnancy
Female reproductive system
- Welcome to the reproductive system ✓ Check-ins6:38
- Basics of egg development ✓ Check-ins7:19
- The ovarian cycle ✓ Check-ins10:45
- Reproductive cycle graph - Follicular phase ✓ Check-ins8:39
- Reproductive cycle graph - Luteal phase ✓ Check-ins9:05
- Estrogen ✓ Check-ins7:21
- Breast anatomy and lactation ✓ Check-ins7:27
Male reproductive system
Pregnancy anatomy and physiology
Pregnancy complications
Preeclampsia ✓ Check-ins13:37
Placenta previa ✓ Check-ins9:03
Placental abruption ✓ Check-ins7:35
Placenta accreta ✓ Check-ins7:48
UTIs in pregnancy ✓ Check-ins10:12
Blood conditions in pregnancy ✓ Check-ins7:22
Sheehan syndrome ✓ Check-ins4:52
Postpartum hemorrhage6:40
Uterine inversion ✓ Check-ins6:53
Diabetes in pregnancy ✓ Check-ins8:14
Preterm labor ✓ Check-ins12:03
C-section ✓ Check-ins11:28
Fetal circulation
- Umbilical vessels and the ductus venosus ✓ Check-ins12:33
- Foramen ovale and ductus arteriosus ✓ Check-ins14:13
- Fetal hemoglobin and hematocrit ✓ Check-ins14:32
- Double Bohr effect ✓ Check-ins10:34
- Fetal circulation right before birth ✓ Check-ins11:53
- Baby circulation right after birth ✓ Check-ins13:25
- Fetal structures in an adult ✓ Check-ins8:17
Unit 13: Infectious diseases
Bacteria and viruses
Overview of Archaea, Protista, and Bacteria ✓ Check-ins7:41
Bacterial characteristics - Gram staining ✓ Check-ins7:25
Bacterial meningitis ✓ Check-ins12:17
Virus structure and classification ✓ Check-ins11:05
Viral replication: lytic vs lysogenic ✓ Check-ins5:11
Retroviruses ✓ Check-ins7:28
Subviral particles: viroids and prions ✓ Check-ins5:01
Tuberculosis
What is TB? ✓ Check-ins12:27
TB epidemiology ✓ Check-ins6:07
TB pathogenesis ✓ Check-ins11:41
Primary and Secondary TB ✓ Check-ins10:19
Pulmonary TB ✓ Check-ins12:18
Extrapulmonary TB (part 1) ✓ Check-ins8:58
Extrapulmonary TB (Part 2) ✓ Check-ins11:58
Mantoux test (aka. PPD or TST) ✓ Check-ins8:37
Interpreting the PPD7:05
Diagnosing active TB ✓ Check-ins16:04
Preventing TB transmission ✓ Check-ins11:23
Preventing TB using the "4 I's" ✓ Check-ins11:32
Treatment of Active TB ✓ Check-ins12:50
Drug-resistant TB ✓ Check-ins8:43
TB and HIV8:57
Pertussis
Influenza
What is the flu? ✓ Check-ins12:47
Catching and spreading the flu ✓ Check-ins10:53
When flu viruses attack! ✓ Check-ins7:13
Three types of flu ✓ Check-ins8:16
Naming the flu: H-something, N-something ✓ Check-ins9:54
Testing for the flu ✓ Check-ins8:58
Antiviral drugs for the flu ✓ Check-ins13:49
Genetic shift in flu ✓ Check-ins7:42
Flu vaccine efficacy ✓ Check-ins9:47
Flu shift and drift ✓ Check-ins7:44
Two flu vaccines (TIV and LAIV) ✓ Check-ins10:53
Flu vaccine risks and benefits ✓ Check-ins12:56
Making flu vaccine each year ✓ Check-ins9:17
5 common flu vaccine excuses ✓ Check-ins7:59
Vaccines and the autism myth - part 1 ✓ Check-ins9:51
Vaccines and the autism myth - part 2 ✓ Check-ins9:01
Flu surveillance ✓ Check-ins14:22
Polio
Sexually transmitted diseases
What is gonorrhea? ✓ Check-ins7:50
Pathophysiology, diagnosis, treatment, and prevention of gonorrhea ✓ Check-ins9:02
What is chlamydia? ✓ Check-ins13:21
Pathophysiology of chlamydia ✓ Check-ins5:59
Diagnosis, treatment, and prevention of chlamydia ✓ Check-ins6:09
What is syphilis? ✓ Check-ins9:12
What is tertiary syphilis? ✓ Check-ins8:59
What is congenital syphilis? ✓ Check-ins6:19
Diagnosis, treatment, and prevention of syphilis ✓ Check-ins9:43
What is chancroid? ✓ Check-ins7:46
What is trichomoniasis? ✓ Check-ins7:59
Pathophysiology of herpes ✓ Check-ins7:23
What is neonatal herpes? ✓ Check-ins5:44
Diagnosis, treatment, and prevention of herpes ✓ Check-ins6:02
What are warts?10:53
What is bacterial vaginosis? ✓ Check-ins4:54
HIV and AIDS
What is HIV and AIDS? ✓ Check-ins11:32
Transmission of HIV ✓ Check-ins10:37
How HIV infects us: Mucous membranes, dendritic cells, and lymph nodes ✓ Check-ins6:37
How HIV infects us: CD4 (T-helper) lymphocyte infection ✓ Check-ins10:21
How HIV kills so many CD4 T cells ✓ Check-ins10:40
Diagnosing HIV - Concepts and tests ✓ Check-ins9:55
Treating HIV: Antiretroviral drugs ✓ Check-ins10:31
HAART treatment for HIV - Who, what, why, when, and how ✓ Check-ins8:37
Defining AIDS and AIDS defining illnesses ✓ Check-ins7:33
Immune reconstitution inflammatory syndrome (IRIS) in AIDS ✓ Check-ins7:31
Preventing an HIV infection ✓ Check-ins8:33
Malaria
Unit 14: Other topics in health and medicine
Health care system
Lab values and concentrations
Introduction to lab values and normal ranges ✓ Check-ins10:42
What's inside of blood? ✓ Check-ins11:09
Units for common medical lab values ✓ Check-ins11:25
What is an equivalent? ✓ Check-ins10:18
The mole and Avogadro's number ✓ Check-ins8:57
Molarity vs. molality ✓ Check-ins8:03
Molarity vs. osmolarity ✓ Check-ins11:32
Calculate your own osmolarity ✓ Check-ins12:59
Molarity, molality, osmolarity, osmolality, and tonicity - what's the difference? ✓ Check-ins4:04
Tonicity - comparing 2 solutions ✓ Check-ins11:03
Child growth and development
Cancer
Inflammation and exposures
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