why whales and dolphins often come up to the water surface ?

Question

Janarth · Answer

Whales and Dolphins tend to breathe in oxygen and blow out carbon dioxide via it’s blowhole , present usually on the top of the head. During respiration , muscles present near blowholes open and close as to not let water into the blowhole.

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why whales and dolphins often come up to the water surface ?

why whales and dolphins often come up to the water surface ?

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why whales and dolphins often come up to the water surface ?

why whales and dolphins often come up to the water surface ?

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