Respiration is the process of obtaining (1)______________________ in the body and releasing (2)_________________ and (3)___________________ from the body to carry out life processes.
Fish have (4)____________________ that help them breathe underwater.
They do not have (5)________________ like whales and dolphins that live in the water.
Water contains (6)__________________ that fish need to carry out respiration.
(7)_________________ present in the water is dissolved in the fish's blood with the help of the gill filaments.
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