Question

What critical function does the lungs serve in the body?

Answer 1

Answer:

extracting oxygen from inhaled air for distribution via the bloodstream to every cell in the body. 

Answer 2

Answer:

The lungs' main role is to bring in air from the atmosphere and pass oxygen into the bloodstream. From there, it circulates to the rest of the body. Help is required from structures outside of the lungs in order to breathe properly.