PoSmoke PoSmoke
  • 12-04-2016
  • Biology
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Breathing in humans is driven by all of the following except A. the muscles attached to the ribs. B. the diaphragm. C. air pressure. D. the muscles connected to the lungs.

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RyanGNR1080
RyanGNR1080 RyanGNR1080
  • 12-04-2016
Air pressure, all of the others are found within the body and contribute to both the lungs and the heart. 
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