Question

what happens to air after it reaches ou lungs

Answer 1

Once in the lungs, the air enters into the alveoli where the gaseous exchange takes place. The oxygen in the air passes into the lung capillaries into the blood via the epithelium of the alveoli and the capillaries through the process of diffusion. While at the same time CO2 moves out into the alveoli from the blood into the lungs and then outside the body.

Answer 2

Answer:

your lungs to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathe out). This process is called gas exchange and is essential to life.06-Oct-2020nswer:

Explanation: