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VocabularyCiculatory
| Term | Definiton |
|---|---|
| Pace maker | A group of cells in the right atrium that regulate breathing and heart beat. |
| Heart | A hollow musclar organ that pumps blood throught the body. |
| Cardiac Muscle | A muscle that can contract without getting tired.It is found in the heart. |
| Arteries | Blood vessels that carry blood away from the heart. |
| Capillaries | The substances exchnged between the blood and body. |
| Veins | Blood vessels that carry blood nback to the heart. |
| Hemoglobin | Gives blood oxygen to make blood light red instead of dark red. |
| Coronary Arteries | Carry blood to the heart itself. |
| Hypertension/High Blood Pressure | The pressure against the walls of blood vessles is to hard. Caused when ventricles contract |
| Sphygometer | A tool blood pressure is measured by. |
| Heart Attack | Blood flow is blocked to parts of heart. |
| Diffusion | The movement of molecules from an area of high concentration to low concentration. |
| Atrium | Upper chambers that receive blood. |
| Ventricle | Lower chanbers that pump blood out. |
| Valve | Flap of tissue that prevents blood from going backwards. |
| Coronary Artery Diesease | The narrowing of arteries that is the no.1 killer in the US |