The Cardiovascular System [IB Biology SL/HL]
This video covers the key concepts of the cardiovascular system, including the double circulatory system; the structure and function of the blood vessels and heart; the cardiac cycle; heart rate and exercise; as well as tissue fluid and pressure filtration. The basics of the lymphatic system is also reviewed. 0:00 - Introduction 0:18 - Double and Single Circulatory Systems 1:26 - Blood Vessels 1:34 - Blood Vessels – Arteries 3:59 - Blood Vessels – Capillaries 5:30 - Blood Vessels – Veins 7:34 - The Heart 10:15 - The Heart – Coronary Arteries 10:41 - The Heart – Occlusion of the Coronary Arteries 12:17 - The Cardiac Cycle 14:53 - Changes in Pressure in the Heart 15:45 - Heart Rate and Exercise 18:12 - Tissue Fluid Formation 19:57 - Lymphatic System 21:12 - Tissue Fluid vs Plasma 22: 20 - Summary More IB Biology Videos & Exam Questions can be found at: Revision Village - IB Biology https://www.revisionvillage.com
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