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Fish. they have gills. Answer All sharks are fish.
Fish have internal gills.Gills covered with operculumn except in sharks and rays.They have opened gills
gills are like "lungs" to a fish.
Like all fish- through their gills.
Tiger sharks have they have 5 gills
Sharks are a type of fish. This is because fish are defined as being vertebrates with gills.
though gillsLike all fish, through their gills.
Sharks use gills to extract oxygen from water. As water flows over their gills, oxygen is absorbed into their bloodstream and carbon dioxide is released back into the water. Sharks must keep swimming to ensure a constant flow of oxygen-rich water over their gills.
Sharks do not need to come up for air - they are fish with gills.
Sharks are a fish. Fish have gills that extract oxygen directly from the water in which they live.
Using gills because sharks are fishes and if look closely on animal planet-sharks you will see that there are like cuts on the left or right of their head,well that is gills and sharks uses it to breathe it takes in oxygen and gives out carbon dioxide----------------------------------------------------------------------Sharks "breathe" by using their gills. Water passes through the mouth and out the gill slits. Oxygen is exchanged through the tissues lining the gills.Unlike other fish SOME SPECIES of shark cannot pump water through their gills by opening and closing their mouths, they have to keep moving to make the water flow. In this way they are like ram jets. For a shark it is "Swim or die!"However, OTHER SPECIES of sharks can pump water over their gills when at rest and do not need to keep swimming. These species can be seen sleeping on the seabed around tropical reefs.Gills.sharks breath through there gills. if you look up a picture of a shark with its mouth open yiou can see the gills at the side of the sharks mouth.hope i helped youIt's a fish.. it has Gills.
Fish can sleep...and btw all fish have gills