The Effect of Caffeine on Reactions

SC 1-The Effect of Caffeine on Reactions Variables 1. Sugar taken 2. Exercise 3. Activity 4. Food taken 5. Pulse Prediction I will be investigating the pulse before and after taking coke, which contains caffeine. I predict that as you take caffeine it will speed up your reactions. I think this will happen because caffeine is a stimulant. This drug increases the blood pressure and stimulates the central nervous system, this also stimulates the action of the heart and lungs. …

…a screen and amounts of caffeine can be easily measured. It can tell us how fast it can react n how much is needed. The results that I have is enough to be certain because most of them follow the same pattern, this also indicates that it is quite accurate. There was also a control experiment, this also proves my prediction right, because decaffeinated coke was used and this actually slowed down the pulse rate.