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When walking at 5 km per hour the amount of oxygen used is 3 litres per minute.
T...
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When walking at 5 km per hour the amount of oxygen used is 3 litres per minute.
The volume of air of each breath is 3.0 litres. Air contains 20% oxygen of which the
body uses 20%. Use this information to calculate how many breaths per minute a
person would take when walking at 5 km per hour. Show your working out
Answers: 2
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