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cardiovascular syste
reading vocabulary
| Question | Answer |
|---|---|
| arteries | large blood vessels that carry blood away from the heart. |
| arterioles | small blood vessels that carry blood away from the heart. |
| plaque | a hard substance that builds up in blood vessels and limits the flow of the blood. |
| atria | the two top chambers of the heart. |
| capillaries | small blood vessels that connect arteries to venules. |
| deoxygenated | having the oxygen removed. |
| platelets | pieces of cells that prevent blood clotting. |
| pulmonary | relating to the lungs |
| ventricles | the two lower chambers of he heart. |
| hemoglobin | a substance in red blood cells that helps carry oxygen throughout the body. |