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(C) In the human respiratory system,the partial pressures of gases are as follows:$1$. In the Alveoli: $PO_2 = 104 \, mm \, Hg$ and $PCO_2 = 40 \, mm

Vedclass · Accepted Answer

Alveoli: $PO_2 = 104 \, mm \, Hg$,Deoxygenated blood: $PCO_2 = 45 \, mm \, Hg$,Tissues: $PO_2 = 40 \, mm \, Hg$

Vedclass · Answer

(C) In the human respiratory system,the partial pressures of gases are as follows:$1$. In the Alveoli: $PO_2 = 104 \, mm \, Hg$ and $PCO_2 = 40 \, mm \, Hg$.$2$. In Deoxygenated blood (returning to lungs): $PO_2 = 40 \, mm \, Hg$ and $PCO_2 = 45 \, mm \, Hg$.$3$. In Oxygenated blood (leaving lungs): $PO_2 = 95 \, mm \, Hg$ and $PCO_2 = 40 \, mm \, Hg$.$4$. In Tissues: $PO_2 = 40 \, mm \, Hg$ and $PCO_2 = 45 \, mm \, Hg$.Comparing these values with the given options,option $C$ correctly states the values for Alveoli $(PO_2 = 104 \, mm \, Hg)$,Deoxygenated blood $(PCO_2 = 45 \, mm \, Hg)$,and Tissues $(PO_2 = 40 \, mm \, Hg)$.

Which of the following is correct regarding the partial pressures of gases ($PO_2$ and $PCO_2$) in different parts of the human respiratory system?

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