Because after millions of years of evolution, they now can't. Unlike their ancestors who were previously land animals.
whales can hold there breath longer than us cuz they have larger lungs than us and are adapted to the sea.
because a fish can breath underwater and a whale cant its a mammal
Whales are mammals and must breath air. If they cannot reach the surface to breath they will drown.
sorry cant answer Insects do
you will choke
Blue whales are mammals. They breathe air with lungs, pretty much just like you and I. When they dive, they hold their breath.
Humans have water proof skin and that is why we cant breathe through it.
because it pumps blood through out the body which transports oxegen and without oxegen you cant breath and without breathing you cant live.
No, we cant breath all of the gases for example we cant breath carbon dioxide
They cant keep Whales in captivity but if your talking about Killer Whales and other Whales like Balugas then yes they do.
boa constrictors squeeze you when you breath in so you cant breath out then you breath in then it squeezes some more then you cant breath and die then it eats you whole without chewing so its best not to get one.
Their mouths are microscopic, their mouths are literally too small to bite into your flesh or inject their poison.