Question

describe how the oxygen of the air reaches the blood in our lungs ​

Answer 1

Answer:

here is ur answer

Explanation:

when we breathe in, we intake a large amount of oxygen and then this oxygen travel through our respiratory track.As we know that our alveoli are sac like structure reachly supplied with blood here, takes place the exchange of gases (oxygen and CO2 interchange their places).This is how oxygen of the air reaches the blood in our lungs.

Answer 2

Answer:

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