health vocab
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32 terms
Terms | Definitions |
|---|---|
 cell | smallest unit of all living things |
| tissue | a group of Similar cells working together |
| organs | group of tissues that working together |
| body systems | Groups of bodily organs acting together to complete a task |
| bone | a organ of the skeletal system |
| bone marrow | a soft tissue inside the bone that produces blood cells |
| joint | (anatomy) the point of connection between two bones |
| skeletal muscle | a muscle that is attached to bones |
| smooth muscle | a muscle that forms some internal organs |
| Cardic muscle | muscle that forms the heart |
| digestion | the breaking down of food into nutrients the body can use |
| nutrients | substances that an organism needs to sustain life and work properly |
| artery | Blood vessels that carry blood away from the heart |
| vein | a blood vessel that carries blood back to the heart |
| capillary | microscopic blood vessel that carries blood between an artery and a vein, |
| trachea | the pipe that carries air deep into the body |
| lung | organ consisting of sponge-like tissue that exchanges oxygen and carbon dioxide with the blood |
| diaphragm | Large, flat muscle at the bottom of the chest cavity that helps with breathing and that separtes the chest apart from the abdomen |
| brain | The part of the central nervous system that is located in the skull and controls most functions in the body |
| spinal cord | cord of nerve tissue that conducts messages between the brain and the peripheral nerves |
| nerves | cells that carry messages throughout the nervous system |
| calicum | a mineral that makes that bones stronger and healthly |
| sleep | a natural and periodic state of rest during which consciousness of the world is suspended |
| homostaises | to maintain a relativly stable internal conditions even though the outside world changes continuously |
| tendon | strong connective tissue that attaches muscle to bone |
| ligaments | a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs |
| how much chambers are there in the heart | 4 |
| cartilage | tough elastic tissue |
| largest vein | venas cava |
| largest artery | aorta |
| extension | act of stretching or straightening out a flexed limb |
| contraction | the tightening of a muscle |
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