Question

what happens to the air that we breathe in

Answer 1

we know that we inhale air and exhale carbon dioxide. the air get deoxydiged. and send the remaining air to the atmosphere....

mostly we inhale oxygen.....and exhale carbon dioxide. to the atmosphere. the plants inhale. co2.

Hope it helps you.

Answer 2

The air that we Inhale accumulates throughout our body, passes from Nostrils to lungs and then the blood in which oxygenated as well as deoxygeneted are present
are lowered separately into different chambers and then oxygenated blood goes to all parts of body and take up deoxygeneted blood from different blood cappilaries and sends to lungs where diffusion takes place and carbon dioxide rich air is expelled.. out
hope it helps...