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So,how do fish breathe? Although they live in the water,fish still need oxygen to survive,and to breathe,they start bytaking water in through their mouth and passing it through the gills. The gills absorb any oxygen that in the water which then passes it through the bloodstream.
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How does a fish breathe?
A fish breathes by first taking in a big gulp of water, and as this water passes through its body, it goes over the gills. The absorbent nature of the gills means they檙e able to take in just the oxygen from this water and pass it into the bloodstream efficiently.
How do fish get oxygen from water?
Water goes in the mouth of the fish and out its gills. Gills are made of very thin tissue which acts like a filter to remove oxygen from the water and release carbon dioxide. Water moves through the fish gills, and as it does so the gills pull oxygen out of the water and into the blood to take it to all the cells in the fish body.
Where does water go in a fish’s mouth?
Water goes in the mouth of the fish and out its gills. Gills are made of very thin tissue which acts like a filter to remove oxygen from the water and release carbon dioxide.
Why can’t fish breathe on land with gills?
Because water doesn’t have a lot of oxygen, fish gills are really good at grabbing all the oxygen they can get. For example, they have a lot more blood vessels than human lungs. Unfortunately, that also prevents fish from breathing on land.