Канал: Human Physiology

$Neurons Part 4 - Neuron Action Potential Repolarization. Absolute/Relative Refractory Periods.$

Physiology of the Conduction System. What Accounts for PR Segment. Why T Wave is Upright Deflection.

Human Physiology

Human Physiology

Physiology of the Conduction System. What Accounts for PR Segment. Why T Wave is Upright Deflection.

Comparing Muscle Fiber Types (Type I, Type IIa, & Type IIx). What Determines Musclular Power.

What’s The Best Exercise for Fat Loss?

Lactic Acid Does NOT Cause Muscle Fatigue.

Kidneys Part 5 - Countercurrent Multiplication in the Loop of Henle

How Neurons Generate and Propagate Action Potentials

How Nitric Oxide Causes Vasodilation. Shear Stress and the cGMP/PKG Pathway.

Kidneys Part 4 - Glucose reabsorption in the Proximal Tubule. SGLT1 vs 2. Mechanism of Jardiance.

Smooth Muscle Anatomy, Contraction, & Relaxation.

Overview of Autonomic Nervous System. Adrenergic and Muscarinic Receptors. cAMP & IP3/DAG Pathways.

The Mechanism of Tetanus and Botulinum (Botox) Toxins. How Botox Works.

Glycogenolysis Regulation. How Glycogen is Broken Down. cAMP & Ca2+/Calmodulin Pathways.

Cell Membrane Transport. Simple & Facilitated Diffusion. Primary vs Secondary Active Transport.

Insulin Activated Glycogenesis. How Glucose is Stored as Glycogen. PP1 and GSK3 Pathway.

The Anatomy and Function of the Cell Plasma Membrane.

Insulin Activated Glucose Uptake. Tyrosine Kinase PI3K/AKT Pathway. GLUT4 Translocation.

Glucose Absorption Pathway in Intestines. Pancreatic Beta Cell Insulin Release Pathway.

Kidneys Part 3 - Sodium and Water Reabsorption in the Proximal Convoluted Tubules.

Kidneys Part 2. Starling Forces & How to Calculate Glomerular Filtration Pressure. What GFR is.

Kidneys Part 1. Anatomy of Kidneys and Nephrons.

Gas Exchange Part 3 Carbon Dioxide Exchange at Tissues & Lungs. Carbonic Acid Reaction. Bohr Effect.

Gas Exchange Part 2. Oxygen Gas Exchange at lungs & Tissues. Oxygen-Hemoglobin Dissociation Curve.

Gas Exchange Part 1. Henry’s Law. Partial Pressure of Gases within the Atmosphere, Alveoli & Blood.

The Lungs Part 4 - Obstructive Vs Restrictive Lung Diseases. Resistance & Compliance. FVC & FEV1

The Lungs Part 3 - Pulmonary Ventilation Part 2. Inspiration and Expiration. Pulmonary Pressures.

The Lungs Part 2 - Pulmonary Ventilation Part 1. Thoracic Cavity Anatomy. Pulmonary Pressures.

The Lungs Part 1 - Respiratory System Anatomy. The Path Air Takes Through the Respiratory System.

Blood Flow Part 2 Blood Flow & Mean Arterial Pressure Equation. Active Hyperemia. What Afterload is

Blood Flow Part 1 - Basic Blood Vessel (layer) Anatomy. Comparing Arteries, Veins, and Capillaries.

The Heart Part 5 - Autonomic Influence over Heart Rate & Cardiac Output. cAMP. Starling Law

The Heart Part 4 Cardiac Excitation Contraction Coupling. DHP & RyR. Conduction System. PR Segment.

The Heart Part 3 - How Action Potentials are Passed Between Cardiac Fibers. Intercalated Discs.

The Heart Part 2 - SA node (Pacemaker) Action Potential. F-Type & L-Type Channels.

Heart Part 1 Pulmonary vs Systemic Circuit. Blood Path Through Heart. Lub-Dub. Systolic Diastolic.

Muscle Part 6 - Length-Tension/Force-Velocity. Fast vs Slow Fibers. Concentric vs Eccentric.

Muscle Part 5 - Twitch, Summation, Tetanus. Motor Units. The Size Principle.

Muscle Part 4 - Excitation Contraction Coupling. DHP RyR Relationship. Relaxation SERCA Pumps.

Muscle Part 3 - Primary Motor Cortex Pathway. How the Brain Activates Skeletal Muscle Fibers.

Muscle Part 2 - Sarcomeres. Actin & Myosin Anatomy. Cross Bridge Cycle/Sliding Filament Theory.

Muscle Part 1 - Muscle Structure. Epi/Peri/Endomysium/Tendons. Origin/insertion/Joint Actions.

Neurons Part 5 - Benzodiazepine and Novocain Mechanisms and side effects. Myelin Sheath Function.

Neurons Part 4 - Neuron Action Potential Repolarization. Absolute/Relative Refractory Periods.

Neurons Part 3 - How Neurons Generate, Propagate, and Pass Action Potentials.

Neurons Part 2 - The Resting Membrane Potential of Neurons. Equilibrium Potentials.

Neurons Part 1 - Central vs Peripheral Nervous System. Motor vs Sensory Neurons. Neuron Anatomy.

Endocrine Part 2. Hormones of The Endocrine System (minus AP). Type 2 Diabetes and Anabolic Steroids

Endocrine Part 1. Anterior Pituitary Hormones. Testosterone and Cortisol Negative feedback loops.

Chemical Messengers Part 2. How NSAIDs Work to Help Headaches. Agonist vs Antagonist.

Chemical Messengers Part 1.

Cell Membrane Transport Part 2. Primary vs Secondary Active. Absorption of Na+, Glucose, and H2O

What makes a molecule polar, nonpolar, or an ion. What hydrophilic and hydrophobic molecules are.

Cell Membrane Transport Part 1. Simple Diffusion, Osmosis, Facilitated Diffusion.

Why is Water Polar?

Metabolism Part 6 - Aerobic (Slow) Metabolism Part 2. Electron Transport Chain.

Metabolism Part 7 - How Aerobic (Slow) Glycolysis Transitions to Anaerobic (Fast) glycolysis.

Metabolism Part 5 - Aerobic (Slow) Metabolism Part 1. Krebs/Citric Acid Cycle.

Metabolism Part 1 - Anabolic-Catabolic. Endergonic-Exergonic. Oxidation-Reduction. Enzyme Function.

Metabolism Part 2 - Factors Which Effect Enzymatic Rate.

Metabolism part 3 - The ATP-PC (Phosphagen) System. Creatine Supplements.

Metabolism Part 4 - Anaerobic (Fast) Glycolysis. Lactate Production.

Phosphagen System (ATP-PC). How Creatine Supplements Work to Improve Performance.

Electron Transport Chain (Oxidative Phosphorylation). How the Body Uses Oxygen.

Oxygen Gas Exchange at the Lungs. Partial Pressures. Henry’s Law. Hemoglobin Dissociation Curve

Learn The Resting Membrane Potential in Under Four Minutes.

The Function of Myelin Sheath - Saltatory Conduction

The Absolute and Relative Refractory Period

How Neurons Repolarize

Why Resting Membrane Potentials are Different From One Cell to the Next.

How the Resting Membrane Potential Develops. How Neurons are Charged at -70mV.

Neuron Action Potential - Generation, Propagation, and Passing

Pericardium, Pulmonary vs Systemic Circuit, Path of Blood Through Heart, Heart Sounds - Lub Dub.