Question

Select all of the options that apply to inhalation.

Intercostal muscles relax and move inward

the pressure outside of the lungs is greater than inside the lungs

increased volume of the chest cavity

the diaphragm contracts and moves downward

Air moves into the lung

Air moves out of the lungs

the pressure inside of the lungs in greater than outside of the lungs

decreased volume of the chest cavity

the diaphragm relaxes and moves upward

Intercostal muscles contract and move outward

Answer 1

Answer:

Intercostal muscles contract and move outward

Explanation:

Air moves into the lung

increased volume of the chest cavity

Answer 2

Answer:

Intercostal muscles relax and move inward

Air moves into the lung

the diaphragm relaxes and moves upward