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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. |