| A | B |
|---|
| the purpose of the valves in the heart | • To keep the blood flowing in only one direction |
| 4 | chambers in the heart |
| Pulmonary | the blood flow between the heart and lungs |
| White blood cells | fights disease and infection |
| Platelets | help form clots |
| Pericardium | layer of the heart contains a lubricating fluid that reduces friction as the heart beats |
| Plasma | pale yellow liquid part of blood |
| veins | blood vessels carry blood back to the heart |
| hypertension | silent killer shows no symptoms |
| Congestive Heart Failure | disease occurs when the heart is unable to pump enough blood to supply the needs of the body |
| arteries a = away | blood vessels carry blood away from the heart |
| Leukemia | disease occurs when there is an abnormal increase in the number of white blood cells, which results in fewer red blood cells carrying oxygen to body tissues |
| hemoglobin | found in RED blood cells, carries OXYGEN removes CO2 |
| arteries | these types of blood vessels contain thick muscular tissue within their walls to pump blood throughout the body |
| Atria | where blood ENTERS the heart |
| Myocardium | layer of the heart is made of muscle tissue and pumps the blood through the system |
| O | blood type universal donor - give to anyone |
| heartbeat | ventricles contract, atria relax |
| Anemia | Which disease occurs when not enough oxygen is supplied to the body tissues, which results from a low amount of red blood cells, hemoglobin, or both |
| Hypertension | high blood pressure |
