| A | B |
|---|
| circulatory system | consists of cardiovascular and lymphatic systems |
| cardiovascular system | consists of the heart, blood, and blood vessels |
| lymphatic system | aids cardiovascular system by returning 'lost' fluid (lymph) to bloodstream |
| heart | hollow muscular organ the size of your fist that pumps blood |
| pericardium | protective sac surrounding the heart |
| septum | thickened wall of tissue dividing heart into two halfs |
| atria | upper two chambers of heart |
| ventricles | lower two chambers of heart |
| pulmonary circulation | flow of blood through heart, to lungs, and back to heart |
| systemic circulation | moves blood to all body tissues except the lungs and heart |
| cardiac circulation | vessels that supply the heart with nourishment and oxygen |
| angina pectoris | crushing pain in chest caused by lack of cardiac circulation |
| myocardial infarction | another name for a heart attack |
| arteries | vessels that carry blood away from heart |
| veins | vessels that carry blood back to heart |
| capillaries | network of very small blood vessels where exchange of oxgyen and nutrients take place |
| erythrocytes | another name for red blood cells |
| leukocytes | another name for white blood cells |
| platelets | irregular shaped cell fragments that help clot blood |
| hemophilia | serious genetic disorder where person's blood lacks clotting factor |
| lymph nodes | enlargements of lymph vessels that act like filters |
| elephantiasis | disease of lymphatic system caused by parasitic worm |
| artherosclerosis | fatty deposits of the arterial walls |
| hypertension | high blood pressure |
| anemia | to few red blood cells, or too little hemoglobin |
