click below
click below
Normal Size Small Size show me how
Circulatory System
| Term | Definition |
|---|---|
| Circulatory System | transport blood to all parts of the body so that gases, nutrients,and waste products |
| Heart | 2 atrium(upper chambers) 2 ventricles(lower chambers) |
| Arteries | carry blood away from the heart |
| Atrium | receive blood |
| Ventricles | pump blood out |
| Deoxygenated Blood | relatively low in oxygen |
| Oxygenated Blood | relatively high in oxygen |
| Veins | Carry blood to the heart |
| Capilaries | connect arteries and veins |
| 4 valves of the heart | flaps of connective tissue and prevent backflow |
| Heart sounds | closing of valves |
| Heartbeat | is stimulated by an electrochemical impulse |
| Blood Vessels | arteries, capillaries and veins |
| White Blood Cells | lacks hemoglobin, colorless and with nucleus. Its primary role involves the body's immune system, protecting the body against invading microorganisms and foreign particles. |