Respiration, Digestion, and Excretion Question
View this question.
Add this question to a group or test by clicking the appropriate button below.
Which statement describes what happens when you breathe out?
- The diaphragm relaxes into an upward position, the ribs settle downward, the space shrinks, and air is forced out of the lungs.
- The diaphragm contracts and drops down, the ribs expand outward, the space shrinks, and air rushes out of the lungs.
- The diaphragm contracts and drops down, the ribs expand outward, the space increases, and air rushes into the lungs to fill the space.
- The diaphragm relaxes into an upward position, the ribs expand outward, the space increases, and air rushes into the lungs to fill the space.
- none of the above