| A | B |
| veins | dont collapse when filled with blood |
| return deoxygenated blood to the heart | veins |
| carotid artery | carries blood to the brain |
| transports the heart muscle's oxygen supply | coronary arteries |
| systemic ciurculation | blood from heart to cells |
| blood from heart to lungs to pick up O2 | cardiopulmonary circulation |
| arterioles | most oxygen concentrated blood |
| SA node | causes atria to contract |
| causes ventricles to contract | AV node |
| superior vena cava | carries deoxygenated blood to right atrium |
| prevents backflow of blood to left ventricle | aortic semilunar valve |
| double pump | description of heart |
| atria | upper heart chambers |
| lower heart chambers | ventricles |
| left ventricle | chamber that pumps blood to body |
| large artery that takes blood to body | aorta |
| artery where pulse can be felt on lower arm | radial artery |
| brachial artery | artery used to measure BP |
| artery behind knee | popliteal artery |
| systole | contraction phase of heart |
| relaxation phase of heart | diastole |
| endothelial cells | make up capillaries |
| MI | heart attack / myocardial infarction |
| varicose veins | enlarged veins |
| athersclerosis | fatty deposits on walls of arteries |
| mitral valve | bicuspid valve |
| between left atria and left ventricle | mitral valve |
| tricuspid valve | between right atria and right ventricle |
| tip of the heart | apex |
| heart muscle | myocardium |
| floating blood clot | embolism |
| edema | fluid accumulation in the tissues |
| hypertension | silent killer / high blood pressure |
| hypotension | low blood pressure |