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# How does amount of a certain exercise effect human pulse rate?

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Introduction

Pulse Rate Experiment Research Question: How does amount of a certain exercise effect human pulse rate? Variables: * Controlled: Time/Amount and type of exercise * Dependent: Pulse rate * Independent: Time/Amount of exercise Hypothesis: I am pretty sure that the pulse rate will increase as the amount/time of the exercise increases. I think that if the person is fitter, the pulse rate will be slower. As we do the exercise more, the amount of glucose/oxygen in our body will probably change so this will result to the pulse rate to change as well. Background Information: During each heartbeat, the muscles of the heart contract which causes a wave of pressure which forces blood through the arteries. This wave of pressure is called a pulse. There is one pulsation for each heartbeat. The pulse can be felt at different parts of the body where the arteries are just under the skin. These places are the temples, neck, crook of the elbow, wrist, groin, back of the knee, and the inside back of the ankle. The normal pulse rate is different with age. When we exercise or do any kind of physical activity, the heart rate increases to supply the muscles with more oxygen to produce extra energy. With extreme exercise, the heart can beat up to 200 times per minute. ...read more.

Middle

********************************************* ********************************************* 10 seconds 77 30 seconds 90 50 seconds 96 1 minute and 10 seconds 100 1 minute and 30 seconds 104 1 minute and 50 seconds 97 2 minutes and 10 seconds 115 Data Analysis: As you can see the results are as I hypothesized them to be. As more time the exercise was done, the pulse rate was going up. If we look at Engela's results we can see that everything is normal and logical in the data. Her pulse rose each time by about 5 beats. But my results are a little different. In the first 10 and 30 seconds, my pulse rate rose rapidly. But then it stabilized and got a small pattern. The pulse started rising by about 5 every time and so on. I also have more beats/min than Engela in every amount of time/exercise. As you probably noticed, there is a possible error in my data. The 1 minute and 50 seconds time has a pulse rate of 97. This seems rather strange since the previous pulse was 104 and the next one 115. I am 90% sure that there has been some kind of human error made in the experiment to make the result like this. I probably did not measure the pulse very well or got off track and lost count or something. ...read more.

Conclusion

Maybe I would even choose a different exercise. There is a lot of thing I could do, but these are most of the error corrections I would definitely have to make. Questions for further research: What effect on the pulse rate would be if we were to do heavy exercise first and then light exercise? I think that this question would be very interesting to research on. I would really like to know what the pulse rate would be like if we were to do an exercise from 2 minutes and 10 seconds up to 10 seconds as the last time. I am not even sure what would actually happen so I would like to experiment and see. What effect would different kinds of exercise have on the pulse rate? I am pretty much sure that heavier exercise will obviously bring the pulse rate up, but maybe the fitter people would have some different results. I would like to research and see if the difference is big or not between different exercises. What effect would different kinds of stories have on the pulse rate? I think that it is very interesting how the pulse rate reacts on different kinds of atmospheres and/or stories. The pulse rate goes up when the person is scared and it goes down when the person is relaxed. I would like to test what different kinds of stories (scary, calm, funny, stupid, educational, etc.) can do to the pulse rate on a person. ...read more.

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