Which of the following is the order of pCO2 from low to high?

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Which of the following is the order of pCO2 from low to high?

A.Exhalation < tissue cell < venous blood < alveolar gas

B.exhalation < alveolar gas < venous blood < tissue cell

C.exhalation < alveolar gas < tissue cell < venous blood

D.venous blood < exhalation < alveolar gas < tissue cell

参考答案:

答案:exhalation < alveolar gas < venous blood < tissue cell