2.59: Describe the Composition of the Blood: Red Blood Cells, White Blood Cells, Platelets and Plasma

COMPOSITION OF BLOOD:
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• RED BLOOD CELL: Transports Oxygen in Haemoglobin of cell from Lungs to respiring cells for aerobic respiration
• WHITE BLOOD CELL: Composed of two types of cells - Phagocytes that engulf and digest pathogens, and Lymphocytes that produce antibodies to deactivate antigens of Bacteria
• PLATELETS: Cell fragments involved in blood clotting
• PLASMA: Medium of transport that carries Carbon Dioxide, digested food, Urea, Hormones and Heat

Diagram:

Diagram showing the Composition of Blood