Question

Fish . movement -- swims with ___________​

Answer 1

Answer:

gills

Explanation:

because their respiratory system are different from humans we humans breath with lungs but fish don't have lungs and they breathe with lungs because their gills are made up a large number of thread like structure called filaments. these filaments richly supplies with tiny blood vessels called capillaries . when waters enters their bodies of the fish through the mouth it flows over gills. the blood in the capillaries absorbs Oxygen from water, and give out carbon dioxide.