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Advanced circulatory system quiz


Heart rate is described as the number of heart beats per minute. The normal human heart rate ranges from 60-100 beats per minute (bpm). Lance Armstrong (pictured above) had a resting heart rate of 32 beats per minute. While racing, his heart rate would increase to 1.6 beats per second. How many more bpm was his heart rate while racing than while resting?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text