Which of the following best describes how Boyle’s law relates tothe mechanics of breathing?

A. If lung volume increases, intrapleural pressure decreases,drawing air into the lungs.

B. If lung volume decreases, intrapleural pressure increases,forcing air into the lungs.

C. If lung volume increases, intrapleural pressure increases,forcing air out of the lungs.

D. If lung volume decreases, intrapleural pressure decreases,forcing air out of the lungs.