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a hormone produced by the adrenal glands which helps to maintain the balance of sodium in the blood and tissue fluid.
this muscle 'closes' or bends the joint when it contracts (so the angle between the bones...
the practice and science of classification. This is the part of systematics that is only...
a person who does not eat animal flesh, but does usually include milk and eggs in their diet....
a United Nations treaty that was drawn up during a meeting of countries in Japan in 1997. It...