Question

What is inhalation?

Answer 1

Breathing:

1. The process, by which air is drawn in from the atmosphere into the lungs and forced out from the lungs back into the atmosphere, is known as breathing.
2. It involves two steps-inhalation and exhalation.

Inhalation:

1. Inhalation or inspiration involves the taking of atmospheric air into the lungs.
2. It is achieved by the contraction and expansion of the thoracic cavity.
3. The intercostal muscles and the diaphragm also play a significant role in the process of inhalation,