| A | B |
|---|
| angina pectoris | crushing chest pain |
| interventricular septum | partition that divides the heart longitudinally |
| apex | pointed end of the heart |
| chordae tendinae | cords that anchor the cusps |
| heart murmur | blood flow back thru a partially opened valve |
| tunic intima | innermost layer of vessel |
| tunic externa | outermost layer of vessel |
| hepatic portal vein | single vessel that drains blood from the digestive tract |
| pacemaker | sinoartial node |
| mediastinum | cavity between lungs where the heart is |
| myocardium | thick layer that contains cardiac muscle |
| pulmonary circulation | involves the heart and lungs |
| ischemia | lack of blood to heart |
| tricuspid valve | between right atria and ventricle |
| pulmonary vein | carries oxygenated blood |
| bradycardia | very slow heart rate |
| tachycardia | very fast heart rate |
| stroke volume | volume of blood pumped by each ventricle |
| carotid artery | located in the neck |
| arteries | blood pressure highest here |
