Heart ventricle

In human heart, oxygenated blood goes into left atrium by vena pulmonalis, but deoxygenated blood comes into R atrium, then goes into R ventricle, and finally leaves heart going through arteria pulmonalis. In Chondrychthyes and Osteichthyes(fishes), ...

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... cavae, just before the venae cavae open into the right atrium of the heart. why? Arteries for the immense pressure when blood is pump out of from the left ventricle. As it flows from the heart-artery-arteries-arterioles-capilaries-venules-veins-vein-heart ...

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I was wondering which of heart ventricles was larger? I can't seem to find that information anywhere, and the right side appears larger in my textbook. :?:

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If you exclude the heart, aorta is the blood vessel with highest blood throughput. If the heart is included, ... it's probably up to how you measure it - the left heart (or more precisely, the left ventricle) pumps blood to aorta, which in turn leads it to other parts of the body, save ...

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... Lungs ----> Pulmonary vein ----->Left auricle----->L.ventricle----->vena cava--->arteries----->arteioles----->||veinules----->veins---->To right auricle Both ventricle(R & L) pumps heart.... Pumping of auricles is an reflex action... Not All Veins carry deoxygenated ...

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