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Exchange surfaces and gas exchange

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Question 10

An investigation was carried out to measure the respiratory frequency and tidal volume of a Thoroughbred racehorse at rest and while galloping on a high-speed treadmill.

The results are shown in the table below.

Physiological StateMean breathing rate / breaths min−1\text{breaths min}^{-1}breaths min−1Mean volume of air in one breath / dm3\text{dm}^3dm3Mean volume of air breathed per minute / dm3\text{dm}^3dm3
Rest12.56.277.5
Galloping at 12 m s-1116.413.7?

Calculate the mean volume of air breathed per minute when galloping at 12 m s-1.

Give your answer to one decimal place.

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Exchange surfaces and gas exchange Questions

  1. GCSE
  2. /Biology
  3. /Exchange surfaces and gas exchange