The membrane around the lungs is the ________.
A. peritoneum
B. mucosa
C. pleura
D. mediastinum
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The gas that is supplied to tissues by the respiratory system is ________.
A. oxygen
B. neon
C. sulfur
D. carbon dioxide
The gas that is eliminated by the respiratory system is ________.
A. chlorine
B. carbon dioxide
C. hydrogen
D. fluoride
The turbinate bones contain receptors for the sense of ____.
The gas produced in the tissues and exhaled in respiration is ____.
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