Igcse Model Questions Vol1 2021 Biology Question 28
Practice objective / multiple choice question 28 from the 2021 Igcse Model Questions Vol1 Biology examination.
Cardiac output is \(5\ \text{L min}^{-1}\). Twenty percent of this blood flow goes to the brain. The arterial oxygen content is \(0.20\ \text{mL O}_2\) per \(\text{mL blood}\). If the brain extracts 50 % of the oxygen delivered, what is the rate of oxygen consumption by the brain in \(\text{mL O}_2\) per minute?
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This is Igcse Model Questions Vol1 2021 Biology Question 28. It is one of the objective questions from the 2021 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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