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How much water is in blood is defined by its osmolarity, i.e. how concentrated solutes such as sodium ions are in the blood. The pituitary gland in the brain releases ADH (Anti Diuretic Hormone) if there ...

There is too much thyroxine is released into the blood which raises the person's basal metabolic rate. This will lead to an increase in formation of glycogen, lipids and proteins. This will also increase ...

Natural selection is the concept that individuals in a population that are best adapted to their environment are most likely to survive and succeed to breed and produce offspring. In turn, the offspring w...