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Body Organization
Human Body
| Question | Answer |
|---|---|
| homeostasis | the maintenance of a stable internal environment in the body |
| tissue | a group of similar cells that perform a common function |
| organ | a collection of tissues that carry out a specialized function of the body |
| epithelial tissue | covers and protects underlying tissue |
| digestive system | breaks down the food you eat into nutrients that your body can absorb |
| skeletal system | supports and protects the body and allows the body to move |
| osteoporosis | a disease that causes bones to become less dense |
| compact bone | rigid and dense bone that does not have any visible open spaces |
| spongy bone | bone that has many open spaces and provides most of the strength and support |
| ball-and-socket joint | a joint that allows for movement in all directions |
| strain | an injury in which a muscle or tendon are overstretched or torn |
| resistance exercise | working against the resistance of an object, strengthens skeletal muscles |
| aerobic exercise | moderately intense activities, strengthens the heart and increases indurance |
| tendon | connect your skeletal muscles to your bones |
| dermis | the layer of skin below the epidermis |
| sweat glands | produce a salty liquid that helps cool the skin |
| melanin | absorbs ultraviolet light from the sun, determines hair and skin color |
| skin cancer | damage to the genetic material in the skin |