Respuesta :
Your lungs get rid of co2 when you breathe out (exhale). the oxygen you breathe to get energy from the food you eat.
hopefully this kinda helps!
hopefully this kinda helps!
Carbon dioxide (CO2) is a waste product of cellular metabolism. You get rid of it when you breathe out (exhale). This gas is transported in the opposite direction to oxygen: It passes from the bloodstream – across the lining of the air sacs – into the lungs and out into the open.
