Final Lab Report
June 9 2009
Problem: How does caffeine bushel your heart ordinate?
Hypothesis: Caffeine, as a arousal would act to raise the resting heart rate. Approximately two bpm rise per mg per oz. Of caffeine.
Procedure:
Gather a interrogatory group of 15 people who hold in non make any strenuous activity in previous hour, excessively no caffeine for 8 hours (to get resting heart rate).
address the resting heart rate of the fifteen people, and record.
Take heart rate after twenty minutes have passed, and record.
Collect this selective information on ternion different test groups using the three variables of caffeinated beverage.
Previous Research: The effects on caffeine have not been a closely researched topic in the scientific world. The topic and affects have been overviewed but the physical cost this dose takes has not been a concern to the public eye, because scientists have not produced a sufficient amount of public knowledge. Caffeine has a chemical name of 3, 7-dihydro-1, 3, 7-trimethyl-1H-purine-2, 6-dione (or 1, 3, 7-trimethylxanthyine for short). (msnhealth.com 2004) Caffeine works as a stimulant to the central nervous system, speeding up the neuron messages to and from the brain. Caffeine is the worlds most widely employ drug.
It can be found naturally in leaves, seeds or fruits. Although it is FDA approved caffeine has damaging affects to the body. Research has essayn links mingled with heavy use of caffeine and osteoporosis, high blood squeeze and heart disease, heartburn, ulcers, severe insomnia and infertility. Some short term affects show anxiety, irritability, increased breathing and heart rates, restlessness, excitability, dizziness, headaches, lack of concentration, gastro-intestinal pains, dehydration, and frequent micturition and bowel movements. (msnhealth.com 2004) Death can occur from a caffeine overdose. It would take approximately 8,900 mg of caffeine to cause expiration in an average female weighing 130 pounds. In an average male...If you want to get a full essay, govern it on our website: Orderessay
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