Caffeine affecting heart rate- lab

Honors Biology Final Lab Report June 9 2009 conundrum: How does caffeine bushel your heart ordinate? Hypothesis: caffein, as a arousal would act to raise the resting heart rate. nearly two bpm rise per mg per oz. Of caffeine. Procedure: reward together a interrogatory group of 15 people who lodge 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. byplay heart rate after twenty minutes collect passed, and record. Collect this selective information on ternion assorted test groups using the three variables of caffeinated beverage. Previous Research: The effect on caffeine have not been a almost researched topic in the scientific world. The topic and affects have been overviewed yet the physical cost this dose takes has not been a concern to the public eye, because scientists have not produced a sufficient fal l 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 soon). (msnhealth.com 2004) Caffeine works as a stimulant to the central offensive system, speeding up the neuron messages to and from the brain. Caffeine is the worlds most widely employ drug.

It can be instal naturally in leaves, seeds or fruits. Although it is FDA approved caffeine has prejudicious affects to the body. Research has essayn links mingled with heavy use of caffeine and osteoporosis, game blood squeeze and heart disease, heartburn, ulcers, severe insomnia and infertility. Some shor! t term affects show anxiety, irritability, increased breathing and heart rates, restlessness, excitability, dizziness, headaches, drop of concentration, gastro-intestinal pains, dehydration, and frequent micturition and bowel movements. (msnhealth.com 2004) Death can total 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: OrderCustomPaper.com

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