What happens to the intra-pulmonary pressure when the pulmonary volume increases?

What happens to the intra-pulmonary pressure when the pulmonary volume increases?
  1. It increases
  2. It decreases
  3. It stays the same
  4. It fluctuates

Solution

An increase in pulmonary volume decreases the intra-pulmonary pressure to less than atmospheric pressure.

Asked in: NCERT

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