Question

The aquatic animals can breathe under water because due to the presence of dissolved oxygen in water. So why we can't breathe under water ?​

Answer 1

The aquatic animals can breathe under water because due to the presence of dissolved oxygen in water. we cannot breathe in underwater because we breathe through nose and fish breathe through gills.

Answer 2

Answer:

Explanation:because we have lungs which are capable  for the  intake of  fresh O2 from the atmosphere.

while aquatic animals have gills which are useful for the intake of dissolved oxygen from water