Question

. Answer the following questions in brief.
1. What is breathing?
11​

Answer 1

Explanation:

Breathing:

The process of respiration, during which air is inhaled into the lungs through the mouth or nose due to muscle contraction and then exhaled due to muscle relaxation.

Answer 2

Breathing is the action of taking in gas (called inhalation) and giving it out (called exhalation).