True about inspiration;the intrapleural pressure becomes-

[Medicoman]

True about inspiration;the intrapleural pressure becomes-

1. More –ve

2. More +ve

3. Same

4. Initially positive, then negative

5. No relation

Explanation

The intrapleural pressure becomes more negative at the end of inspiration and less negative at expiration. It ranges between -3 and -6 mmHg.