What are the specialised muscles involved in inspiration and expiration?

What are the specialised muscles involved in inspiration and expiration?
  1. Spirometer muscles
  2. Fibrous tissue muscles
  3. Intercostals and diaphragm
  4. Respiratory muscles

Solution

Inspiration and expiration are carried out by creating pressure gradients between the atmosphere and the alveoli with the help of specialised muscles - intercostals and diaphragm.

Asked in: NCERT

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