During forced expiration, which muscles contract actively? — Zoology | Mockzy

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During forced expiration, which muscles contract actively?

Diaphragm and external intercostals

Internal intercostals and abdominal muscles

Sternocleidomastoid and scalenes

Diaphragm and internal intercostals

In which part of the brain is the pneumotaxic centre located?

The enzyme carbonic anhydrase is found primarily in:

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