Question

When you inhale _____. your lungs expand your lungs deflate air travels up the trachea the alveoli absorb carbon dioxide?

Answer 1

Answer:

When you inhale your lungs expand.

Explanation:

Answer 2

When you inhale, your lungs inflate. When you are inhaling, your taking in air so your lungs inflate with the air.
When you exhale, your lungs deflate. When you are exhaling, you are pushing out air so your lungs are deflating.