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Does Caffeine affect heart rate?
The group measured their heart rate by taking their pulse for a minute. They
were split in two and given 120cm3 of cola to drink. Nobody knew if they were
drinking Caffeine free cola or not. They had to measure there heart every 5
minutes.…

Page 2

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drinking cola without caffeine without person 8




Results for drinking cola without caffeine, person 8 and 14




A graph to show how the pulse rates changed over time
with caffeine

Page 3

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A graph show how pulse rates change over time without
caffeine.




Conclusion
In Conclusion I can prove that the heart rate changes if you drink caffeine

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