Multiple choice

In which of the following processes do the abductor muscles compress the lungs?

  1. Perfusion

  2. Diffusion

  3. Convection

  4. Inspiration

  5. Expiration

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

During the act of expiration the diaphragm potentially relaxes and the elastic recoil of the lungs, chest wall, and abductor muscles compress the lungs.