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Fish with gills. Breathing to filter the water.

Some animals under the sea, like fish, have to filter the water. This is completely different to those animals with blowhole like the whale, the dolphins, etc.
Clic on this photo to see the animation about how the gills filter the water.

guills

 
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Posted by on 30 September, 2016 in fish, gills, respiration

 

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