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What causes exhalation? a signal from the medulla to the mouth and nose a signal from the alveoli to the medulla a signal from the diaphragm to the medulla a signal from the medulla to the lungs
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What causes exhalation?

a signal from the medulla to the mouth and nose
a signal from the alveoli to the medulla
a signal from the diaphragm to the medulla
a signal from the medulla to the lungs

User Amnesia
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2 Answers

4 votes
D: A signal from the medulla you the lungs
User Corey Ogburn
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4 votes

Answer:C

Explanation:Ed

User Oscaroscar
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