179k views
0 votes
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.

User Benny Hill
by
8.2k points

1 Answer

1 vote
Air pressure, all of the others are found within the body and contribute to both the lungs and the heart. 
User Alexis Diel
by
7.9k points