Q. What are the stages of respiration?

Solution :

The stages of respiration are as follows:

External respiration or exchange of gases: Gaseous exchange, also known as external respiration, is the movement of gases between the environment and the body.
Internal respiration: In the tissues within an organism’s cells, biochemical reactions called respiration to take place to break down the substrate and release energy. As a result, this is also referred to as tissue or cellular respiration.

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