Abdominal breathing is a condition in which only the inferior half of the lungs can be seen expanding and contracting with each breath. Which of the following would cause abdominal breathing?

Damage to the nerves that control the diaphragm
Damage to the nerves that control the rib muscles
Damage to the medulla oblongata
Damage to the respiratory center

The answer is B

Explanation:

Abdominal breathing is when your ribs cannot contract, you can still breathe and your ribs can expand, and everything else usually works as it should.

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