FUNCTIONS OF THE SKELETON
1.
Provides a framework that
supports the body; the muscles that are attached to bones move the skeleton.
2.
Protects some internal organs
from mechanical injury; the rib cage protects the heart and lungs, for example.
3.
Contains and protects the red
bone marrow, the primary hemopoietic (blood-forming) tissue.
4.
Provides a storage site for
excess calcium. Calcium may be removed from bone to maintain a normal blood
calcium level, which is essential for blood clotting and proper functioning of
muscles and nerves.
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