The relative proportion between the volume of CO2 released and O2 absorbed in respiration is termed as
A
Respiratory exchange
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B
Respiratory quotient
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C
Respiratory phase
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D
None of the above
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Solution
The correct option is B Respiratory quotient The respiratory quotient (RQ) is the ratio of CO2 produced to O2 consumed while food is being metabolized or respiration.
RQ = CO2 eliminated / O2 consumed.
It is used in calculations of basal metabolic rate (BMR).