Question

What is intercostal muscles and it's types?​

Answer 1

Answer:

$\large\underline\red{\mathcal Intercostal\:Muscles(ICM)}$

Space between two ribs is called intercostal space in which two types of muscles are present :-

• External ICM
• Internal ICM

External Intercostal Muscles :-

• By the contraction in the muscles rib and Sternum upward and outward . So they helps in Inspiration.

Internal Intercostal Muscle :-

• By the contraction in these muscles Ribs and Sternum shifts downward and inward respectively, so it helps in forceful expiration which is a voluntary activity. So contraction of IICM is under control of cerebrum.

Hope it helps uh!!!

Answer 2

Intercostal muscles :------> Between rib there are 22 pair of tiny muscles which are called intercoastal muscles .

types

1. External intercoastal muscles

FunctionResponsible for forced and quiet inhaliation

• Internal intercoastal muscles

Function

It responsible for forced exhaliation

• innermost intercoastal muscles

Function

they are are for muscles respiration .