| A | B |
|---|
| arteriole | a small branch of an atery that communicates with a capillary network |
| atrium | chamber of the heart that recieves blood from the veins |
| capillary | a small blood vessel that connects an arteriole and a venule |
| cardiac cycle | series of myocardials contractions tht constitutes a complete heartbeat |
| diastolic pressure | the arterial blood pressure during the diastolic phase of the cardiac cycle |
| electrocardiogram | a recording of the electrical activity associated with the heartbeat |
| endocardium | the inner lining of the heart |
| epicardium | the visceral prtion of the pericardium |
| myocardium | the muscle tissue of the heart |
| pericarduim | the serous membrane that surronds the heart |
