The Heimlich maneuver is a series of pushing motions on the area just under the diaphragm that helps a person whose airway is blocked. Which best explains how this maneuver helps unblock a person's airway?
Answer
A
Pushing the diaphragm causes air to flow out of the lungs, which pushes the blockage out.
B
Pushing the diaphragm causes blood to rush to the area that pushes the blockage out.
C
Pushing the diaphragm allows the brain to produce hormones that push the blockage out.
D
Pushing the diaphragm causes a person's ribs to contract, which pushes the blockage out.