Investigating Pulse Rate

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Investigating Pulse Rate

• By Danny Brendoff
• Date January 14, 2004
• Class Biology II

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Introduction

• Taking your own pulse is very simple. All you
  have to do is find an artery in your body that is
  close to the surface of your skin.
• Count the number of little surges you feel coming
  from the artery. (Usually the artery would be
  located somewhere near your wrist or on your
  neck.)
• With each contraction of the heart, blood is
  forced into the arteries causing a surge. The
  surge in the arteries matches the rate that your
  heart is beating.
• Many things, such as age, sex, physiological
  state, psychological state, and temperature,
  influence heart rate.

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Statement of the Problem

• How does the heart rates of my partner and I
  change after so many different activities done?

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Hypothesis

• The heart rate will rise and the heart will pump
  faster after doing hard work and conditioning.
  The better shape your body is in, the slower your
  heart rate will be. If you are not physically
  active then the higher your heart rate will be.

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Materials List

• A Clock or watch with second hand.
• A Paper Bag

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Procedures

• In this lab you have to do numerous activities
  and then take your pulse rate after doing them.
• You have to take your pulse after, resting,
  standing at attention, breath holding, breathing
  into a paper bag, breathing deeply, and
  exercising.
• You have to take your pulse rate every 45 seconds
  for 6 minutes after exercising the first time.
• Each time, after the activity you do is done, you
  take your pulse for 15 seconds. Then you take the
  number of beats you got and multiply it by 4.
  Thats how you find the rate your heart beats per
  minute.
• Record the rate on the data table and then do the
  same procedures for your partner.

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Picture of Artery

• This is where you locate the artery in your wrist
  to take your pulse.

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Data and Results
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Conclusion

• In conclusion, my hypothesis was correct! My
  partners heart rate was just how we predicted it
  to be and the same with my heart rate.
• I was correct about the better shape your body is
  in, the slower that the heart rate would be after
  exercising and other activities.
• In this lab I learned that the better shape your
  body is in, the slower your heart beats when you
  are being worked to the limit. I think this
  means, the heart beats slower when your body has
  more endurance and can take the work a lot
  easier. Thats when a persons body is in shape
  and healthy.

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Bibliography

• The resources I used to help me with my lab
  presentation were
• The lab itself. The lab is called Investigating
  Pulse Rate, Lab number 13.
• www.askjeeves.com