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Altitude & CO2 transport IB style questions - model answers

1) Why is it useful to record the age and weight of the subjects?This information will help to control the possible effects of age and weight on the experimental variables.2) Identify the altitude with the lowest mean oxygen saturation.Pheriche (4243m)3) With reference to hemoglobin, explain the answer to question 2).At higher altitudes the partial pressure of oxygen is lower so the hemoglobin will be less saturated.

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