How can a dolphin stay under water without breathing?

Answer 1

Dolphins and Whales can stay under water for so long is because they have blowholes to come to the surface and get air. They can stay under water for quite a while before they need another breath at the surface:) Need more help... Just ask!!!!!!!!!!!!!!

Answer 2

They don't. They have to surface to breathe.
They do not. Dolphins are mammals and cannot breathe underwater.

They hold their breath while diving.
Dolphins breath above water, then hold their breath for a long time while they are under water. They do not have gills, so they need to go above water to breath.

Answer 3

Dolphins can't breath under water. They can only hold there breath for up to 12 minutes and then need to surface again. Dolphins are mammals and they breath through a blow hole :)

Answer 4

yes they do hold their breaths .dolphins can hold their breath for half an hour

Answer 5

They must come up for air, or they will drown.

Answer 6

They don't. They have to surface to breathe.

Answer 7

Dolphins breath above water, then hold their breath for a long time while they are under water. They do not have gills, so they need to go above water to breath.