ENDOCRINE ORGANS AND RESPIRATORY SYSTEM
RESPIRATORY SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Do you breath out carbon dioxide
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true
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false
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The carbon dioxide breathed out is a by-product of the process of cell respiration, as is water. In this process, energy is produced in the mitochondria of cells.
Detailed explanation-2: -Human beings do exhale almost three billion tons of carbon dioxide annually, but the carbon we exhale is the same carbon that was “inhaled” from the atmosphere by the plants we consume.
Detailed explanation-3: -The lungs absorb oxygen during inhalation and expel carbon dioxide during exhalation. The air that is exhaled out is also a mixture of gases but it is rich in carbon dioxide.
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