PATHOLOGY MCQ
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The main function of the respiratory system is to supply the body with oxygen and to expel carbon dioxide. Which statement explains how the respiratory system coordinates with the circulatory system when performing this function?
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Both systems ensure that every cell has equal concentrations of oxygen and carbon dioxide.
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Both systems ensure that oxygen is inhaled and delivered to cells, and carbon dioxide is removed from cells by the bloodstream and lungs.
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Both systems ensure that carbon dioxide reaches the bloodstream, and oxygen is removed from the bloodstream.
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Both systems ensure that every cell has a higher concentration of carbon dioxide and a lower concentration of oxygen.
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Explanation:
Detailed explanation-1: -The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
Detailed explanation-2: -The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins.
There is 1 question to complete.