A shark has gills like a fish so that is how it breaths.
As with all fish, sharks breathe through their gills.
A shark is a fish and a whale is a mammal. Therefor the shark has gills to get oxygen from the water and whales have to breathe air, so they come to the surface.
feed it fish and shark eggs
spiracles
A penguin is a flightless bird it use lungs for in take of Oxygen in its body.
Well, the length of time for an egg to hatch depends on the species of shark. At my aquarium store, we had a banded shark egg hatch after four months and four days in our store. I have no experience with marbled cat shark eggs.
Gills on a shark help it take oxygen out of the water.
Fish have gills which take oxygen from water that passes through.
Swimming helps to force water through the shark's gills, providing the shark with oxygen; the shark may not get enough oxygen otherwise.
The gills of a shark (and other fishes) extract oxygen from the water, allowing the shark to breath.
Shark Bait
Sharks are a fish. Fish have gills that extract oxygen directly from the water in which they live.
Well, if you eat a shark fin, you have to cut off the shark fin first and a shark without fins is pretty much doomed and will drown because it can't get oxygen. And shark fins are expensive.
Like all fish, sharks extract dissolved oxygen from the water through their gills.
they suck it in through their ears
A shark is a fish and a whale is a mammal. Therefor the shark has gills to get oxygen from the water and whales have to breathe air, so they come to the surface.
feed it fish and shark eggs
A shark obtains oxygen from the water using its gills.