Question

how does a sea animal like dolphin, survive in water without gills? ​

Answer 1

Answer:

$Hello!$

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:

it comes out of water to breath

Explanation:

doremon to dekha hoga na

pura jhund paani k bhar aata he saans lene k liye

and they dont sleep at night cause they dont have air bladder so if they stop swimming they drown and die