| A | B |
|---|
| Atria | upper receiving chamber, 1 right & 1 left |
| Ventricles | lower pumping chambers, 1 right & 1 left |
| Septum | wall that separates right and left sides |
| Valves | prevent backflow of blood |
| atherosclerosis | buildup of fatty material in arteries |
| hypertension | high blood pressure |
| veins | blood vessels with valves |
| pulse | expansion/contraction of arteries |
| heart disease | any health problem of the heart |
| capillaries | exchange materials with cells |
| blood pressure | measure of pressure on vessel walls |
| Circulatory System | brings nutrients and oxygen to cells and carries away waste |
| heart/lungs/heart/body | the general pathway of blood in the body |
| left ventricle | chamber of the heart gives the blood the most powerful push |
