The human skeletal system consists of 206 bones. In addition to the obvious functions of provide a framework for the body which both supports and protects other tissues, it also has metabolic functions like blood cell production, storage of calcium and regulation of the endocrine system. The various functions are surprisingly complex and detailed, plus the list of individual bones is quite long, thus making a pamphlet about this system an indispensable quick reference for any serious student of biology.
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