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biology - may 10

the heart

QuestionAnswer
the four chambers of the heart right valve right atrium left valve left atrium
where does oxygenated blood enter left atrium
where does deoxygenated blood enter vena cava
what does the vena cava do carry deoxygenated blood from the body to the heart
what does the pulmonary artery do carry blood to the lungs
what does the aorta do acts as the main artery to the body
what does the pulmonary vein do carry blood back from the lungs to the heart
the right atriums uses acts as a pacemaker to control the hearts beating
why is the left ventricles wall thicker it has to force blood out of the heart at a high pressure because the blood has to travel around the whole body
how many chambers does the human heart have 4
wich structures stop blood flowing backwards valves
where else is backflow a problem the veins where valves are also used
Created by: kayyb
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