Episode 35 - Cardiovascular system - Heart rate
Heart rate is influenced by sympathetic and parasympathetic control, chronotropic agents, and venous return. This episode examines how heart rate affects cardiac output and filling time, ensuring the ...
19 Feb 20254min
Episode 34 - Cardiovascular system - Cardiac pacemaker cells
Uncover how cardiac pacemaker cells generate the electrical impulses that drive the heartbeat. This episode explains pacemaker potential drift, the role of the SA and AV nodes, and how the autonomic n...
19 Feb 20255min
Episode 33 - Cardiovascular system - Blood
Explore the composition and functions of blood, including plasma, red blood cells, white blood cells, and platelets. Learn how hemoglobin transports oxygen, how the immune system responds to infection...
17 Feb 20256min
Episode 32 - Cardiovascular system - Functions
Discover the essential functions of the cardiovascular system, including oxygen and nutrient transport, waste removal, and homeostasis regulation. This episode explains the roles of the heart, blood v...
17 Feb 20255min
Episode 31 - Muscular system - Whole muscle contraction
How do individual muscle fibers work together to generate movement? This episode discusses isometric vs. isotonic contractions, concentric vs. eccentric contractions, and the biomechanics of force pro...
12 Feb 20255min
Episode 30 - Muscular system - Skeletal muscle contraction
Learn how muscle twitches, summation, and tetanus affect contraction strength. This episode covers the length-tension relationship, force-velocity relationship, and motor unit recruitment, providing a...
12 Feb 20256min
Episode 29 - Muscular system - Skeletal muscle metabolism
Muscles need ATP to function, but how do they produce it? This episode explains the creatine phosphate system, glycolysis, and oxidative phosphorylation, as well as the causes of muscle fatigue and ho...
12 Feb 20256min
Episode 28 - Muscular system - Skeletal muscle fiber types
Not all muscle fibers are created equal! This episode examines Type I (slow oxidative), Type IIa (fast oxidative-glycolytic), and Type IIx (fast glycolytic) fibers, explaining how they differ in energ...
10 Feb 20256min
