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Test 3 Gr. 4 Health
Final Exam
| Term | Definition |
|---|---|
| anatomy | The study of the structure and parts of the body. |
| brain | The major organ of the nervous system |
| drug | A chemical substance that changes what happens in the body |
| arteries | Oxygenated blood is taken away from the heart in these. |
| lymphocyte | makes antibodies |
| small intestine | where nutrients are absorbed by the bloodstream |
| calories | measurement of energy from food |
| voluntary | skeletal muscles |
| proper posture | when certain parts of the body are aligned correctly |
| warm up | Do this before exercising |
| sun protection factor | How sunscreen is rated |
| parent permission | Never go anywhere or with anyone without this. |
| Flossing and brushing teeth | prevents dental caries and gum disease |
| cerebrum | part of the brain that controls thinking and senses |
| red blood cells | part of the blood that carries oxygen |
| plasma | liquid part of the blood |
| sebum | oily substance produced by oil glands |
| antibodies | proteins that help the body develop immunity against specific pathogens |
| enzymes | proteins that quickly break down food |
| ligament | band of tissue that stabilizes joints |
| tendon | fiber that connects muscle to bone |
| hormones | chemical messengers in the body that regulate the way it works |
| dentin | hard bone-like tissue that gives the tooth its shape |
| plaque | colorless film of harmful bacteria that forms on teeth |
| spinal cord | part of the nervous system |
| capillaries | part of the circulatory system |
| tonsils | part of the lymphatic system |
| esophagus | part of the digestive system |
| cranium | part of the skeletal system |
| trapezius | part of the muscular system |
| virus | pathogen that reproduces by using a host cell of the body |
| communicable disease | chickenpox |
| carbohydrates | the body's main source of energy |
| unsaturated fats | a food ingredient that helps prevent heart disease |
| pivot joint | makes rotational movement possible |
| involuntary muscles | cardiac and smooth muscles |
| when the bicep contracts | the tricep relaxes |
| examples of aerobic exercise | running, walking, swimming |
| spinal injury | a medical emergency |
| hypodermis | deepest layer of skin |
| adolescence | when puberty occurs |
| perspiration | released by the sweat glands when you are hot or working hard. |
Created by:
Mrs. Alsager
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