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Science ch 2
lesson 3
Term | Definition |
---|---|
What are the functions of the skin | protects body, helps regulate body temp, eleminates waste, gathers information, and produces vitiman d |
What are the structures of the skin | the two layers: epidermis and dermis |
epidermis | outer layer of skin, mew skin cells form in the bottom of it |
Melanin | pigment that colors skin |
dermis | inner layer of skin, helps keep heat in the body |
What are the structures in the dermis | nerves, blood vestles, sweat glands hair oil glands |
Pores | openings that allow sweat to reach the surface |
Follicles | where strands of hair grow within the dermis |
How can you have healthy skin | eat healthy, keep your skin clean, and limit your dirmis |
Cancer | disease in which some cells divide uncontrollably |