PATHOLOGY MCQ
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Another main function of the respiratory system is to remove ____ gas from the body. This can be toxic to the cells if it is not removed.
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nitrogen
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oxygen
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carbon dioxide
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helium
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Explanation:
Detailed explanation-1: -One of the waste products produced by cells is another gas called carbon dioxide. The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide.
Detailed explanation-2: -The respiratory system’s main job is to transport oxygen and remove extra carbon dioxide.
Detailed explanation-3: -CO2 is transported in the bloodstream to the lungs where it is ultimately removed from the body through exhalation. CO2 plays various roles in the human body including regulation of blood pH, respiratory drive, and affinity of hemoglobin for oxygen (O2).
There is 1 question to complete.