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The heart
The circularoty system
| Question | Answer |
|---|---|
| blood vessel that carries blood back to the heart | vein |
| smooth layer of cells lining the inside of the heart | endocardium |
| valve between the right ventricle and pulmonary artery | pulmonary valve |
| upper chamber of the heart | atrium |
| valve between the left ventricle and aorta | aortic valve |
| muscular middle layer of the heart | myocardium |
| blood cell that carried oxygen and carbon dioxide | erythrocyte |
| breif period of rest in the heart | diastole |
| fluid portion of blood | plasma |
| double layerd membrane on the outside of the heart | pericardium |
| blood vessel that connects arterioles with venuels | capillaries |
| valve between the left artium and left ventricle | mitralvalve |
| blood cell that helps fight infection | leukocyte |
| bloodcell required for the clotting process | thrombocyte |
| blood vessel that carries blood away from the heart | arteri |
| period of ventricular contraction in the heart | systole |
| muscular wall that seperates the heart into the right and left side | septum |
| complex protein on red blood cells | hemoglobin |
| tissue that flows through the circulatory system | blood |
| lower chamber of the heart | ventricle |