Which of the following occurs during expiration?

A) Lung volume increases while air pressure in the lungs decreases

B) Lung volume decreases while air pressure in the lungs increases

C) Lung volume increases while air pressure in the lungs increases

D) Lung volume decreases while air pressure in the lungs decreases

Question

Kian Maynard

Biology

6 October, 05:19

Which of the following occurs during expiration?

A) Lung volume increases while air pressure in the lungs decreases

B) Lung volume decreases while air pressure in the lungs increases

C) Lung volume increases while air pressure in the lungs increases

D) Lung volume decreases while air pressure in the lungs decreases

+4

Answers (1)

Know the Answer?

Kian Sampson · Answer 1

B) Lung volume decreases while air pressure in the lungs increases

Explanation:

During expiration, the diaphragm relaxes, and the volume of the thoracic cavity decreases, while the pressure within it increases.