1.

When a person breathes in, what happens to the diaphragm and to the rib cage?

A. Diaphragm Rib cage Becomes flatten Moves downwards and inwards
B. Diaphragm Rib cage Becomes flatten Moves outwards and upwards
C. Diaphragm Rib cage Becomes more curved Moves downwards and inwards
D. Diaphragm Rib cage Becomes more curved Moves outwards and upwards
Answer» C. Diaphragm Rib cage Becomes more curved Moves downwards and inwards


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