MEDICAL
LUNGS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When you breathe in air, you bring oxygen into your lungs and blow out:
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carbon dioxide
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carbon monoxide
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oxygen
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hydrogen
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Explanation:
Detailed explanation-1: -Breathing is the process of taking in air containing oxygen (called inhaling) and letting out air that contains carbon dioxide (called exhaling). Human beings breathe through their nose and mouth. The nose and mouth are connected at the back of your throat.
Detailed explanation-2: -When we breathe in air it contains oxygen reaches the lungs. There the gaseous exchange takes place. The air which we breathe out contains carbon dioxide.
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