What are alveoli? A. Carbon dioxide molecules B. Part of a red blood cell C. Tubes that connect to the lungs D. Air sacs used during respiration

Question

asked Mar 23, 2022 189k views

1 Answer

Andy · Answer 1 · 2022-03-29T23:57:58+0000

Answer:

D

Step-by-step explanation:

Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going.