Name the organs of breathing in fish.

What will happen if a human being starts breathing through the mouth instead of the nose?

Which one of the following organisms does not depend on simple diffusion of gases for breathing and respiration?

Distinguish between aquatic and terrestrial respiration.

The process of respiration is:

The end products of a biological process are ethanol and carbon dioxide with the release of energy. Name this process and write the pathway involved in the reaction.