| A | B |
|---|
| arteriole | a small branch of an artery |
| atrium | a space in the heart |
| capillary | a small blood vessal that connects an arteriole |
| cardiac cycle | a serious of myocardial contractions that constitutes a complete heartbeat |
| cardiac output | a quantity calculated by multiplying the stroke volume |
| diastolic pressure | the arteriole blood presure 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 chamber |
| epicardium | the visceral portion of pericardium |
| myocardium | the muscle tissue of the heart |
| pericardium | the serous membrane |
| peripheral resistance | resistance to flow due to friction between blood and walls of blood vessels |
| pulmonary circuit | the system of blood vessels that carries the blood between the heart and lungs |
| systemic circuit | the vessels that conduct blood between the heart and all the body tissues |
| vasocontriction | a decrease in the diameter of a vessel |
| vasodilation | an increase in diameter |
| ventricle | a cavity that cotains blood |
| venule | a vessel that carries blood form the capilleries to the veins |
