The gills of a shark (and other fishes) extract oxygen from the water, allowing the shark to breath.
Shark has only gills
Gills on a shark help it take oxygen out of the water.
They stay in schools(in a group) and they ram shark's gills and kill them.and eat them NAMMAMMANAMMMM
The gills of the shark.
shark's gills are open.
i think that they have gills as they are a shark
No, the sand shark is a fish with gills.
it helps the shark breathe
All whales have lungs. No whale has gills. The whale Shark has gills, but that name comes from it being a Shark - a fish - the size of a whale.
Sharks have gills so they can breathe. They absorb the oxygen out of the water using their gills.
it has gills
They have gills, similar to shark's gills, to whom they are related.