Subject :NSO Class : Class 7
When a person breathes out, what happens to the diaphragm and rib cage?
Diaphragm | Rib cage | |
A | Becomes flatten | Moves downwards and inwards |
B | Becomes flatten | Moves outwards and upwards |
C | Becomes more curved | Moves downwards and inwards |
D | Becomes more curved | Moves outwards and upwards |