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Digestion is the process of breaking down the big molecules of food that we eat, into smaller molecules that the body can absorb and use. To help break down the food, we need enzymes, which the body produ...
Meiosis is the process whereby gametes (sex cells), the ova in females and the sperm in males are produced. This occurs when the chromosomes (which there are two sets of in a body cell) are replicated, pr...
The pancreas responds by releasing insulin. This causes glucose to move into the cells.
Shivering involves rapid contracting and relaxing of the muscles. This requires energy and so the muscle cells respire in order to release this energy in the form of heat.
The heart is made of cardiac muscle and is split into 4 chambers known as atria and ventricles.Low pressure, deoxygenated blood from the tissue enters the right atrium via the superior and inferior vena c...
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