Because the respiratory system will continue to force air down. Hope this helps.
Because it is flexible. Think about it; the ribs protect both the lungs and the heart. If the ribs were solid bone all the way around then unless you constantly break your ribs you wouldn't be able to expand the cheat to breath. Additionally your lungs would constrict the heart to a degree that it would function properly.
If she doesn’t use a lot of emojis and !!!!! And if she don’t always answer u within 3 mins
Answer:
A concentric contraction because muscles cause the elbow joint and arm to move is the correct answer.
Explanation:
