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science
chapter 11
| Question | Answer |
|---|---|
| the 3 types of muscles are | cardiac smooth and skeletal |
| the 3 functions of skin | protect body, maintains body temp. and eliminates liquid wastes |
| define homeostasis | The condition in which an organism’s internal environment is kept stable in spite of changes in the external environment. |
| define osteoporosis | A condition resulting from a loss of minerals in which the body’s bones become weak and break easily. |
| define absorbtion | The process by which nutrient molecules pass through the wall of the digestive system into the blood |
| define joint | A place in the body where two bones come together. |
| define ligament | Strong connective tissue that holds bones together in movable joints. |
| define tendon | Strong connective tissue that attaches muscle to bone. |
| 4 joint and example of each | ball and socket- shoulder hinge- elbow pivit- neck gliding- ankle |
| what is melanin | a pigment that gives the skin its color |
| where do we obtain vitamin d | sunlight |
| define cartalidge | A connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together. |
| 5 major functions of the skeleton | 1. give structure and support 2. enables you to move 3. protects your organs 4. produces blood cells 5. stores minerals for future use |
Created by:
gabbypowell
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