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The first thing u do in ur life is known as breathing.. waisa .... breathing means.. the enhale and exhale of air..is known breathing..

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what is breathing Related: Important Questions - Environment?
When you inhale (breathe in), air enters your lungs and oxygen from the air moves from your lungs to your blood. At the same time, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled (breathe out). This process is called breathing...

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The first thing u do in ur life is known as breathing.. waisa .... breathing means.. the enhale and exhale of air..is known breathing..