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this muscle 'closes' or bends the joint when it contracts (so the angle between the bones decreases).
simple chemical substances needed by the body in relatively small amounts for normal growth and...
a small body of modified cardiac muscle cells in the upper right corner of the wall of the right...
an organ system that passes nutrients, gases, hormones, blood cells, etc. to and from cells in...
the excessive growth of alga and hydrophytes in response to the addition of artificial or...