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| Skin |
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| Skeleton |
The Skeletal and Integumentary system both protect the body. The Skeletal system protects the organs and other body parts by forming cages around them, like in the skull and the rib cage. The Integumentary system protects the body by killing bacteria by skin secretions, and warding off UV radiation by darkening (producing more melanin). The skin also contains pain and pressure receptors that let the brain know when a homeostatic response needs to be issued to maintain proper function. The Integumentary system even protects the Skeletal system from superficial damage, and also help aesthetically! Who would want to see all their bones and muscles without a covering? No one! Instead we see a smooth, beautiful surface. These two systems give shape to our bodies, as well as protection, as mentioned earlier and are closely connected.
Skeleton Picture from
http://en.wikipedia.org/wiki/Human_skeleton
Skin Picture from
http://www.sciencedaily.com/releases/2007/11/071129183833.htm
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