Course
Our course reviews central human physiology topics. Using short, bite-sized video lessons, learn the basic physiology. Then practice what you learned with quiz questions, including review of a clinical case, teaching you how to not only understand but apply what you've learned to real-world problems.
Course Topics
Negative feedback and homeostasis
Positive feedback
Clinical Case: Type II Diabetes
Ion concentrations and gradients
Diffusion and passive transport
Active transport
Osmosis
Clinical case intro: Excess water consumption
Tonicity: Hypotonic, Isotonic, Hypertonic
Tonicity of Common Intravenous Fluids
Clinical Case: Hypotonic Solution Mistakenly Given to Patient
Autocrine, Paracrine, Endocrine Cell Signaling.
Signal Transduction Pathways
G-Protein Coupled Receptors (GPCR)
Clinical case: Beta-Blocker Drugs Control Heart Rate Via GPCRs.
Resting Membrane Potential
Nernst Equation
Graded Potentials
Action Potentials
Clinical Case: Hypokalemia and Ionic Imbalances
Clinical Case: Multiple Sclerosis and Demyelination
Skeletal Fiber Anatomy
Excitation-Contraction Coupling
Properties of Skeletal Contraction: Tetanus, Ideal Length, Excitation-Contraction Delay
Clinical Case: Tetanus and Rigor Mortis
Heart Anatomy
Cardiac Muscle Contraction: Excitation-Contraction Coupling
Cardiac Cycle: Electrical Conduction System, ECG, and Cardiac Rhythm
Clinical Case: Abnormal ECGs Including Ventricular Fibrillation and Ventricular Tachycardia.
Parasympathetic Nervous System
Sympathetic Nervous System
Autonomic and Antagonistic Control of Organs
Clinical case: Vagal maneuvers to control heart rate and rhythm.
Blood Pressure Gradient Drives Blood Flow
Parasympathetic and Sympathetic Nervous System Overview
Autonomic Nervous System Control of Blood Pressure
Heart Rate, Stroke Volume, Vessel Diameter Changes
Respiratory Anatomy Review
Gas Exchange: External and Internal Respiration
Gas Transport: oxygen and carbon dioxide transport
Spirometry, Lung Volumes, and Lung Capacities
Clinical case: Asthma and Chronic Obstructive Pulmonary Disease.
Chemical signaling using hormones
Hypothalamic-Pituitary Axis
Insulin and glucagon
Clinical case: Type 1 and 2 Diabetes
Overview of Kidney Anatomy: Glomerulus, Nephron, and Kidney
Glomerular Filtration and Urine Production
Absorption and Secretion Through the Nephron
Kidneys Role in Blood Pressure Regulation
Clinical Case: Diabetes Insipidus and Excessive Urine Production
Ideal Blood pH
Le Chatelier's Principle
Respiratory Control of pH
Renal Control of pH
Clinical Case: Metabolic Alkalosis Triggered by Diarrhea Decreases Breathing Rate
Gamete Formation
Male Reproductive System
Female Reproductive System
Menstrual Cycle and Pregnancy
Contraceptives