Hello I'm Tyler. Did you know that there are three types of fish-cartilage fish,jaw less fish,and a bony fish. Most fish live in fresh water and some live in the ocean. Fish are cold-blooded animal which means the blood temperature that changes with the temperature of the environment. Did you know fish open there mouth and water past the gills. The gills carries oxygen that flows there the body and and the water carries the carbon dioxide with it out of the fishes body.
I think the part about the water passing the gills is really interesting Tyler.
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