Which Organisms Use Negative Pressure to Move Air into the Lungs

Question

Which organisms use negative pressure to move air into the lungs?
A)ducks
B)iguanas
C)humans
D)mice
E)All of these use negative pressure to move air into their lungs.

Accepted Answer

All the listed organisms, including ducks, iguanas, humans, and mice, use negative pressure to move air into their lungs. This is a common mechanism in vertebrates where the diaphragm and other muscles create a vacuum to draw air in.