In expiration in process of respiration Options: A . &nbspthe diaphragm relaxes and arches upwards B . &nbspair enters the lungs C . &nbspribs move upwards D . &nbspsternum moves up and away from backbone

In expiration in process of respiration

Question

In expiration in process of respiration

Options:

A . the diaphragm relaxes and arches upwards

B . air enters the lungs

C . ribs move upwards

D . sternum moves up and away from backbone

Answer: Option A
Answer: (a).the diaphragm relaxes and arches upwards

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