Question

what do whales and dolphins have to prevent water from being absorbed in their bodies​

Answer 1

Answer:

Powerful muscles form a special plug within the blowhole, preventing water from entering the lungs when the dolphin is underwater. As mentioned in the earlier section on lungs, the size of the lungs is not the main reason for the dolphin's diving prowess.

Answer 2

Answer:

PCBs are toxic, they cause sterility and are decimating marine mammal populations. ... The PCBs that whales, dolphins and porpoises absorb from their food end up being stored mainly in their fatty tissue (blubber).

Explanation:

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