A) coastal muscle and diaphragm
B) coastal muscle
C) diaphragm
D) wall of the lungs
Correct Answer: A
Solution :
Intercostal muscles are found between ribs of human. These muscles work with diaphragm during ventilation. Intercostal muscles are of two types : (i) Internal intercostal muscles, which depress the ribs and thus, help in expiration. (ii) External intercostal muscles which elevate the ribs and thus, help in inspiration.
You need to login to perform this action.
You will be redirected in
3 sec
