Skeletal System

Topics: Bone, Heart, Skeletal system Pages: 1 (328 words) Published: February 10, 2013
Dexter Davis
December 15,2012
4th Period

There are five major functions of the skeletal system. They are to support, to protect , to move , to store , and to form blood cells. Besides contributing to the body's shape and form , bones perform several important functions. Without the skeletal system , it is impossible to live. Support is one of the five major functions of the skeletal system in the body. Bones form the internal framework that supports all soft organs. The bones of the legs support the body when people stand. The rib cage also supports the thoracic wall. Protection is another main function of the skeletal system. Bones protect soft body organs. The verterbrae surround the spinal cord , and the rib cage helps protect the vital organs of the thorax. The skull is also a part of the skeletal system and ,its job is to protect the brain. Another job of the skeletal system is movement. Skeletal muscles use the bones as levers to move the body and its parts. The skeletal muscles are attached to bones by tendons. This helps people move. The skeletal system enables people to walk , throw a ball , and even breathe! Storage is another major function of the skeletal system. Fat is stored in the internal cavitites of bones. The bone itself stores minerals for the body. Most of the body's calcium is stored in the bones. The bones are a convenient place to get more calcium ions for the blood as they are used up. The last major function of the skeletal system is blood cell formation. Blood cell formation occurs within the marrow cavitites of certain bones. Most of the blood componets in the body are made right in the bone. Support , protection , movement , storage , and blood cell formation are the five functions of the skeletal system. The skeletal system also helps the body's shape and form. It would be impossible to live without the five functions of the...
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