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?
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.