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QUIZZES & REVISION VIDEOS

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The Basic Structure of the Heart (suitable for AS Biology also)

How atheroma (fat plaques) form and lead to Myocardial Infarctions (heart attacks)

The Formation of Tissue Fluid and Lymph (in more detail than required for Year 10)

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