Question

do deep sea fishes have high blood pressure?

Answer 1

The reason for high blood pressure in these fishes is somewhat similar to their human counterparts.Their high blood pressure counteracts the high pressure exerted by sea water.The pressure exerted by a fluid is directly proportional to the depth ,so pressure on fishes living deeper in seas will be higher than those living on the surface.So they will have a higher blood pressure to counteract the increased pressure.This system is similar in humans.Our blood pressure counteracts atmospheric pressure that the atmosphere exerts on us.
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