Question

how do fish gills work

Answer 1

when something's is coming near their gills give message to fish brain

Answer 2

Hey friend!!!!!!!!!!!!

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Here is your answer............

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➡️➡️➡️➡️➡️➡️Gills take oxygen out of the water and let water carry away carbon dioxide. Fishforce water through their gills, where it flows past lots of tiny blood vessels. Oxygen seeps through the walls of those vessels into the blood, and carbon dioxide seeps out.

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