Question
Discuss respiratory quotient $(R.Q.)$.

Answer

Respiratory quotient $(RQ)$: It is the ratio of $CO _2$ output to $O _2$ uptake. It is denoted by $R$.
$R =$ Rate of $CO _2$ output/Rate of $O _2$ uptake
RQ for carbohydrate $=1.00$
$R Q$ for fat $=0.70$
RQ for protein $=0.85$

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