Question

it
is not just the exchange of gases It is the process of breaking down of complex food moleculea to produce chemical or potential energy what does it refers to​

Answer 1

Answer:

photosynthesis

Explanation:

hope this will help you

Answer 2

The process referred here is respiration.

1. Respiration is the process of exchange of gases, specifically carbon dioxide and oxygen, between environment and cells.
2. Cellular respiration is defined as the process where the intaked oxygen is used to breakdown food molecules to produce usable energy. Other products are discarded like carbon dioxide.
3. Few steps of cellular respiration are anaerobic as well.