Blood and the Heart
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Functions of Blood
Blood types
Red Blood Cells
White Blood Cells
Coverings of the Heart and the Heart Wall
Chambers of the Heart
Movement of Blood through the Heart
Heart Beat
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Functions of blood
Distribution
Blood delivers oxygen from the lungs and nutrients from the digestive tract to all the body cells
Blood transports metabolic waste from cells to elimination sites
Transports hormones from endocrine organs to their target organs.
REgulation
Blood helps maintain regular body temperature by absorbing and distributing heat throughout the body.
Blood helps maintain normal pH in body tissues by acting as a buffer to prevent abrupt changes.
Blood helps maintain adequate fluid volume in the circulatory system
Protection
Blood helps protect the body by stopping blood loss; it does this by the plasma in the blood clotting and halting blood loss.
Blood prevents infection by using parts of it like white blood cells to fight against infections and viruses.