| A | B |
|---|
| vena cava | largest vein in the body |
| aorta | largest artery in the body |
| hepatic | having to do with the liver |
| renal | having to do with the kidneys |
| pulmonary | having to do with the lungs |
| cardiac | having to do with the heart |
| sphygmomanometer | blood pressure measuring device |
| asthma | disease in which airways become constricted |
| emphysema | disease in which lung tissue loses elasticity |
| atherosclerosis | blocking of arteries by plaque |
| alveoli | small sacs in the lungs where gases are exchanged |
| carotid artery | transports blood from the heart to the head |
| pulmonary artery | transports blood from the heart to the lungs |
| pulmonary vein | transports blood from the lungs to the heart |
| systole | contraction of the heart muscle |
| diastole | relaxation of the heart muscle |
| hypertension | high blood pressure |
| myocardium | heart muscle |
| pacemaker | nerve cells that trigger the heart to beat |
| trachea | tube that connects throat to bronchi |
| diaphragm | band of muscle in upper abdomen |
| radon gas | second leading cause of lung cancer (after smoking) |
| stroke | lack of blood flow to the head |
| LDL | "bad" cholesterol |
| HDL | "good" cholesterol |
