Question

what Is the role of diaphragm and rib cage in mechanism of breathing in human

Answer 1

diphragm role is to contract and relax which helps in increase in area of lungs

rib cage protects but in case of breathing it has no role major is protection.

Answer 2

the role of diaphragm is to exchange of gases the chest cavity moves upward to inhile the sufficient oxygen and gets flattened when exhile the large amount of carbon dioxide