How oxygen and carbondioxide is transported in humans

1.	How oxygen and carbondioxide is transported in humans
Answer» First,the oxygen goes into the lungs . By lungs,it goes to heart after this it has goes to our body by artery and carbon dioxide is taken by veins and goes to heart and heart to lungs and by lungs ,get out from the body. Exchange of gases takes place in balloon like structures alveoli in lungs. After tht the haemoglobin is respondible for taking oxygen molecules to rest of body nd carbon dioxide is also delivered to lungs through blood Through lungs Hence, trees Through lungs

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