ENDOCRINE ORGANS AND RESPIRATORY SYSTEM
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The main organ of the Respiratory System where the gas exchange takes place.
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Heart
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Small Intestine
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Lungs
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Anus
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Explanation:
Detailed explanation-1: -When you breathe in, air enters your airways and travels down into the air sacs, or alveoli, in your lungs. This is where gas exchange takes place. The circulatory system, which is made up of the heart and blood vessels, supports the respiratory system by bringing blood to and from the lungs.
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