1. Give reasons (a) Arteries are deep seated to veins. (b) Number of Heart beats in Blue Whale is lesser than Heart beats in man.
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Arteries are deap seated as they have to carry oxygenated blood and if they were superficial they would have get damaged easily and we didn't get oxygen supply which could cause death also
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The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, the heart is approximately the size of a closed fist and is located ... The heart pumps blood with a rhythm determined by a group of ...
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