What happens when the intra-pulmonary pressure is equal to atmospheric pressure?

What happens when the intra-pulmonary pressure is equal to atmospheric pressure?
  1. Inspiration occurs
  2. Expiration occurs
  3. Breathing stops
  4. None of the above

Solution

When the intra-pulmonary pressure is equal to atmospheric pressure, neither inspiration nor expiration occurs.

Asked in: NCERT

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