Question

Type the word that appropriately completes each statement.

Most fish have gills that aid in gas exchange. First, water enters the mouth and passes over the gills.
____ from the water is moved into the blood as
____ from the blood is moved into the water.

Answer 1

Oxygen from the water

Carbon dioxide from the blood

Step-by-step explanation:

Fish as any other living organism have the same breathing mechanisms. They breath in oxygen and breath out carbon dioxide.