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