I would know the answer of science the question is When human beings drown in the ocean cannot survive whereas , mammals like whale and shark can survive ?Explain
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Sharks are not mammals.
Whales and dolphins have gills in addition to lungs but, humans don't have these special features therefore they can't breathe underwater and eventually they drown. Humans breathe through lungs and cannot take the oxygen from the water like whales and dolphins do with their gills. That's why whales and dolphins can survive underwater and humans cannot even though they both are mammals.
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