Question

if dolphins and whales have lungs than other fishes have gills how can dolphins and whale survive?

Answer 1

Answer:

Whales and dolphins are mammals and breathe air into their lungs, just like we do. They cannot breathe underwater like fish can as they do not have gills. ... After each breath, the blowhole is sealed tightly by strong muscles that surround it, so that water cannot get into the whale or dolphin's lungs.

Answer 2

Answer:

• Whales and dolphins use their lungs to breathe air also. That's one reasons why they come to the surface of the ocean. Sometimes they lie right at the surface of the water, with just a part of their back sticking out