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Heart revision
Question | Answer |
---|---|
Top chambers in the heart | atria |
pumping chambers in the heart | ventricles |
2 Atrioventricular valves | bicuspid valve tricuspid valve |
2 x semilunar valves | Aortic and pulmonary valves |
divide the heart into two sides | septum |
these supply the heart tissue itself with oxygenated blood | coronary arteries. |
blood vessel delivering oxygenated blood to the body | aorta |
Big Vein returning deoxygenated blood to the heart | vena cava |
Takes the blood from the heart to the lungs | pulmonary artery |
Takes the oxygenated bllood back to the heart | pulmonary vein |
always take blood away from the heart | arteries |
smaller versions of arteries | arterioles |
always take blood to the heart | veins |
Smaller version of the veins | venules |
Vessel only 1 cell thick | capillaries. |