In external respiration,the PCO2 in the alveoli is ________________,and the PCO2 in the surrounding blood is ______________ .
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Q69: Oxygen is released from hemoglobin to tissues
Q70: In internal respiration,the PCO2 in the blood
Q73: In external respiration,the PO? in the alveoli
Q182: In internal respiration, carbon dioxide diffuses from
Q183: In external respiration, carbon dioxide diffuses from
Q196: In internal respiration, oxygen diffuses from the
Q198: The partial pressure of a gas in
Q213: The mineral that is essential for oxygen
Q217: The inspiration and expiration centers are located
Q220: Oxygen is released from hemoglobin to tissues
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