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Chapter 12
Functions of the integumentary system
| Question | Answer |
|---|---|
| integumentary system | made up of skin and its related structures, preforms important functions in maintaining the health of the body |
| skin | the protective outer layer covering the external surfaces of the entire body |
| waterproofs the body and prevents fluid loss | one function of the skin |
| plays an important role in the immune system by blocking the entrance of pathogens into the body | one function of the skin |
| major reseptor for the sense of touch | one function of the skin |
| helps the body synthesize vitamin D | one function of the skin |
| Largest bodily organ(22sqft) | one function of the skin |
| sebaceous gland | secrete sebum that lubricated the skin and discourages the growth of bacteria on the skin |
| sweat glands | help regulate body temperature and water content by secreting sweat |
| hair | helps control the loss of body heat |
| nails | protects the dorsal surface of the last bone of each toe and finger |