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Q: Where does air enter and leave our body?
A: Air enters our lungs so we can obtain oxygen to fuel our cells in our body. Air leaves the lungs because when oxygen enters the cells waiting in the lungs, the bi-product the cell makes when it absorbs the oxygen is carbon dioxide, [ which is exhaled from the lungs. ]
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Original conversation
User: Where does air enter and leave our body?

Weegy: Air enters our lungs so we can obtain oxygen to fuel our cells in our body. Air leaves the lungs because when oxygen enters the cells waiting in the lungs, the bi-product the cell makes when it absorbs the oxygen is carbon dioxide, [ which is exhaled from the lungs. ]
Expert answered|ANGEEELICA|Points 2320|

User: Sorry, but it does not answer my question.

Weegy: it eneter on our nose



User: What if I say that it enters or leaves our body through the lungs? Do you agree with me? Explain.

Weegy: yes i would agree here is the explanation :air enters our body by negative pressure breathing, wherein the diaphragm (muscle separating digestive and respiratory ..uhm... [ sections) contracts, thus increasing the space above (that is, the lung cavity) and so "pulling" the air into the lungs through the wind pipes and nostrils. ]
Expert answered|ANGEEELICA|Points 2320|

User: Thank you. That answers my question.

Weegy: you are welcome, if you like my answer please rate good and have a wonderful day ahead you
Expert answered|ANGEEELICA|Points 2320|

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Asked 3/25/2011 1:56:13 AM
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