chest cavity expands during inhalation. justify
Kindly refer to the following link for a similar query:
https://www.meritnation.com/ask-answer/question/durng-inspiration-the-diaphragm-a-expands-b-shows-no-change/biology/7350679
https://www.meritnation.com/ask-answer/question/durng-inspiration-the-diaphragm-a-expands-b-shows-no-change/biology/7350679