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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 |