GCSE Biology - The Circulatory System | The Heart (2026/27 exams) скачать в хорошем качестве

GCSE Biology - The Circulatory System | The Heart (2026/27 exams)

⭐️ Check out our website https://www.cognito.org/ ⭐️ ** WHAT'S COVERED ** 1. The Circulatory System as an Organ System Organs involved: Heart, Blood Vessels, Blood Function: Transporting substances around the body 2. The Double Circulatory System Pulmonary Circuit (Heart-Lungs-Heart) Systemic Circuit (Heart-Body-Heart) 3. Structure of the Human Heart Four chambers: Right Atrium, Left Atrium, Right Ventricle, Left Ventricle Atrioventricular valves and their function Explanation of left/right orientation in diagrams Difference in wall thickness between ventricles 4. Major Blood Vessels Connected to the Heart Vena Cava Pulmonary Artery Pulmonary Vein Aorta Path of blood flow through the heart, lungs, and body 5. Coronary Arteries Function: Supplying the heart muscle with oxygenated blood ** CHAPTERS ** 0:00 Introduction 0:26 What is the Circulatory System? 1:23 Double Circulatory System 2:13 Structure of the Heart (Chambers & Valves) 3:27 Naming the Heart Chambers & Valves 4:04 Blood Vessels of the Heart & Blood Flow Path 5:48 Coronary Arteries ** PLAYLISTS **    • GCSE Maths (9-1)      • GCSE Biology (9-1)      • GCSE Chemistry (9-1)      • GCSE Physics (9-1)      • A-Level Biology   #GCSE #Biology #study