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Investigation into the density of mock blood.
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| Submitted: Tue Nov 04 2003
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. Assessed practical: A2 Practical. Investigation into the density of mock blood. Aim: to find any difference in blood density in the mock blood samples belonging to: * a healthy male living at sea level (a); * the same male after he has undergone 6 months of regular aerobic exercise (b); * the same male who has spent 3 months undergoing aerobic training at altitude (c). Background knowledge: Blood is composed of watery plasma in which a variety of cells are present. The majority of cells present are red blood cells, or erythrocytes. These are red biconcave discs about 7?m in diameter. They have no nucleus, no mitochondria and no endoplasmic reticulum, this is to maximise the amount of oxygen which can be carried by each blood cell. The red colour is caused by the globular protein haemoglobin. The main function of haemoglobin is to transport oxygen from the lungs to respiring tissue. Oxygen is transported around...
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