What is the function of spirometer?

What is the function of spirometer?
  1. To create pressure gradients between the atmosphere and the alveoli
  2. To estimate air volume involved in inspiration and expiration
  3. To utilise oxygen
  4. To produce carbon dioxide

Solution

The volumes of air involved in inspiration and expiration can be estimated with the help of spirometer and are of clinical significance.

Asked in: NCERT

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