Question

which of the following changes occur in diaphragm and intercostal muscles when expiration of air
takes place?
(a) External intercostal muscles relax and diaphragm contracts
(b) External intercostal muscles contract and diaphragm relaxes
(c) External intercostal muscles and diaphragm relax
(d) External intercostal muscles and diaphragm contract​

Answer 1

Answer:

which of the following changes occur in diaphragm and intercostal muscles when expiration of air

takes place?

(a) External intercostal muscles relax and diaphragm contracts

(b) External intercostal muscles contract and diaphragm relaxes

(c) External intercostal muscles and diaphragm relax✅☑️

(d) External intercostal muscles and diaphragm contract

Answer 2

the changes which occur in the diaphragm and the intercostal muscles  during expiration of air is that the external intercostal muscles relaxes and the diaphragm contracts  

option a

Explanation:

• Expiration is the process by which air which is which in carbon dioxide is expelled from our bodies

• Expiration takes place due to the action of the lungs and the intercostal muscles and diaphragm

• as air moves from the region of higher pressure to that of lower pressure high pressure is created inside the thorax

• this occurs due to the  external intercostal muscles relaxes and the diaphragm contracts  

to know more about expiration of air,

After a deep inspiration and maximum expiration, the air remains in ...

https://brainly.in/question/9539281