A hole on the top of the back that is called a blowhole.
Whales breath through their backs but I don't know one that breathes through their back sides
Whales breathe through a nostril called a "blowhole" on top of their head.
Blue whales - like all whales - have lungs and can't breathe under water. When they dive they hold their breath. The only kinda-sorta exception is the whale Shark. But it's only called "whale" because of its size. It's a Shark - a fish - and it breathes with gills.
yes
all of them
Whales have lungs, as they are mammals, and fish use gills to breath.
Penguins do not eat blue whales. They'd have to peck for hours only to get through the skin.
No,they have a blowhole that breathes AIR not WATER.
How are blue whales adapted? How are blue whales adapted?
No. Blue whales only mate with other blue whales.
yes
it breathes through its gills