In negative pressure breathing, inhalation results from
A)forcing air from the throat down into the lungs.
B)contracting the diaphragm.
C)relaxing the muscles of the rib cage.
D)using muscles of the lungs to expand the alveoli.
E)contracting the abdominal muscles.

Question

Quizplus · Accepted Answer

In negative pressure breathing, inhalation is achieved by contracting the diaphragm, which causes a decrease in pressure in the chest cavity. This decrease in pressure causes air to flow into the lungs, filling them with oxygen. This process is also known as inspiration. This is the only option that correctly describes inhalation in negative pressure breathing.

In Negative Pressure Breathing, Inhalation Results from