Inspiration Flashcards
(4 cards)
1
Q
What muscles contract/relax
A
Contracts
- Diaphragm
- External Intercostal muscles
Relax
-Internal intercostal muscles
2
Q
What happens to the diaphragm
A
It flattens whilst the ribcage moves up and out
3
Q
What happens to the Thoracic cavity
A
The volume increases
4
Q
What happens to the pressure in the lungs
A
It decreases