How air entered into lungs
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Air first enters your body through your nose or mouth, which wets and warms the air. Cold, dry air can irritate your lungs. The air then travels past your voice box and down your windpipe. The windpipe splits into two bronchial tubes that enter your lungs
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1
Answer:
Air first enters your body through your nose or mouth, which wets and warms the air. Cold, dry air can irritate your lungs. The air then travels past your voice box and down your windpipe. The windpipe splits into two bronchial tubes that enter your lungs.
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