Question

do we breathe in oxygen and carbon dioxide or Carbon dioxide is produced from our body​

Answer 1

Answer:

We breathe in oxygen and release carbon dioxide from our body.

Answer 2

Answer:

we inhale oxygen .When we eat food These food contain gluucose .Glucose react with oxygen form Co2 and water .

So Co2 made in our body which we exhale .

C6H12O6 ->6Co2 + 6H2O