The endocrine system is made up of a number of glands that secrete hormones. Glands and the hormones they release regulate many processes in the body; from growth, puberty, metabolism and reproduction, hormones play a role in almost everything we do
These structures are called Vestigial structures, they resemble structures from the organism's ancestors, but don't have a real purpose for them now.
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The frontal bone can also be known as the forehead
