Question

What happens to the air we breathe in after it reaches the lungs?

Answer 1

As your lungs expand, air is sucked in through your nose or mouth. The air travels down your windpipe and into your lungs. After passing through your bronchial tubes, the air finally reaches and enters the alveoli (air sacs). ... At the same time, carbon dioxide moves from the capillaries into the air sacs

Answer 2

it gets purified in the lungs i. e. the oxygenated blood is separated from the blood and then the oxygenated blood is supplied to other body parts by the blood. and this oxygen rich blood is called oxyhaemoglobin.