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The Basic Structure of the Heart (suitable for AS Biology also)
The Cardiac Cycle (for reference only, detail relevant for AS Biology)
Coordination of the Heartbeat by the Sinoatrial/Atrioventricular nodes)
The Basic Components of Blood (suitable for IGCSE)
Blood Groups using the 'ABO' grouping system
The Transport of Carbon Dioxide and The Bohr Shift (reference only)
Haemoglobin and The Oxygen Dissociation Curve (for reference only)
The Lymphatic System - For IGCSE (covers all key aspects needed for the exam)
Measuring Blood Oxygen levels using Pulse Oximeters
Comparing Blood Vessels - Arteries, Veins and Capillaries
Blood Pressure, and the causes and consequences of Hyper/Hypotension