Question

Take a deep breath in Ask your friend to measure your chest with a thread. Measurement ….. Now breathe out. Again ask your friend to measure your chest. Measurement…. Was there any difference in the two measurements of your chest.

Answer 1

Measurement of the chest on taking a deep breath is 24 cm.

 Measurement of the chest on taking breath out is 20 cm. 

Yes, there is a difference in the measurements. The chest comes out and measures more on taking a deep breath and it goes in and measures less on breathing out.