7th Grade Science Terms
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14 terms
Terms | Definitions |
|---|---|
 aorta | largest artery in the body |
| atrium | 2 upper chambers of the heart |
| hemoglobin | part of the red blood cells that contain iron |
| valve | flap of tissue that separates the atrium from the ventricles |
| veins | vessels that carry blood back to the heart |
| ventricles | 2 lower chambers of the heart |
| platelets | cell fragments that help blood clot |
| plasma | liquid part of blood |
| sphygmomanometer | measures blood pressure |
| white blood cells | fight disease |
| red blood cells | take oxygen from the lungs and deliver it to body |
| hypertension | high blood pressure |
| heart attach | blood flow to the heart is blocked |
| arteries | vessels that carry blood away from the heart |
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