"Effects of caffeine on the heart rate of daphnia" Essays and Research Papers

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    Effects of Caffeine Caffeine has been a hot topic in the medical community as of late. Studies have shown that the effects of caffeine are undoubtedly beneficial to people’s health. However‚ other studies have shown that its effect can have a negative impact on health. So what is caffeine and where do you find it? According to Merriam-Webster’s dictionary‚ it is "a bitter alkaloid C8H10N4O2 found especially in coffee‚ tea‚ and kola nuts and used medicinally as a stimulant and diuretic‚" (Merriam-Webster)

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    Stage  1  Psychology   Research  Report   Affects  of  caffeine  on  reaction  time     Proposal:     Caffeine  is  used  by  many  people  to  increase  their  energy  levels.  It  alters  an   individual’s  alertness  and  their  reaction  time.  Though  the  most  common  form  of   caffeine  is  coffee‚  it  can  also  be  found  in  certain  soft

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    Recovery Heart Rate

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    Part I: Pulse Rate Take your pulse at the wrist‚ as described on the Work Out tab of 4.02‚ and record it below. Your count for 30 seconds ___ x 2 = ___ bpmDay 1 _____Day 2 _____Day 3 _____Total _____ divide by 3 = _____ This is your Resting Heart RateObtain your Maximum Heart Rate (MHR) by subtracting your age from 220. Example 220 – 21 = 199 1. Subtract your resting heart rate (RHR) that you calculated in Part II above from the maximum heart rate (MHR) that you just determined in Step

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    Heart Rate Lab

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    Discussion Heart Rate Our hypothesis stated 1.) The heart rate increases substantially when a person performs a physical activity and 2.) Females have heart rates greater than males’. In this experiment we measured the resting heart rates and exercise heart rates of both the male and females that are in the class. We calculated the results that were taken by each member of each group in the class (6 males and 16 females total). The average resting heart rate for women was 71.8 beats per minute

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    Daphnia Lab Report

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    The effects toxins such as caffeine‚ nicotine‚ epinephrine‚ ethanol and salt have on the Daphnia magna’s heart rate Results The effect the various drugs caffeine‚ nicotine and epinephrine had on the Daphnia magna is displayed in Figure 1. After three sample trials were taken there was an average of 180 beats/min-1 ± 6.928 taken under normal conditions. The addition of caffeine caused an increase in the average heartbeat to change to 192 beats/min-1 ± 9.165 in the Daphnia magna tested. When testing

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    Time and Heart Rate

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    customers’ needs anymore. So‚ our company has designed a brand new promotional gift. It can best suit our clients’ needs and lifestyles. This is – a heart rate watch. First of all‚ if you look at this paper‚ you can see that this watch has a function that has never been designed for before – a heart rate monitor. It enables the users to measure their heart rate while doing exercises. Actually‚ the underlying purpose of this design is to immerse into customers’ daily lives. Let’s imagine that‚ when you

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    Daphnia Magna Experiment

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    Drugs on the Heart Rate of Daphnia magna Introduction The Daphnia magna‚ more commonly known as water flea‚ is indigenous to ponds and lakes in northern and western North America. This crustacean has an outer transparent covering called the carapace. The unique physiology of the water flea is useful in translational research allowing researchers to visibly study all of the bodily systems without causing harm to the specimen (2). Being classified as an indicator species‚ the Daphnia magna are

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    Daphnia Lab Report

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    Receptors and Ligands: Examining the effects of pharmaceutical compounds on Daphnia magna physiology Abstract The following study was conducted in order to determine the effects of four different pharmaceutical compounds on the heart rate of Daphnia specimens. After basal heart rate was observed and computed‚ four different solutions each containing either an adrenergic‚ muscarinic‚ or nicotinic agonist or antagonist was tested against individual Daphnia. Observations were made through a compound

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    Science Fair Research Paper How Caffeine effects plant growth. I decided to base my project on the effects Caffeine has on plants. I choose three different Basil herb plants and will water them with a little‚ medium and large amounts of Caffeine to determine the effects that Caffeine has on the plants. What is Caffeine??? Caffeine is found in seeds‚ leaves and the fruits of some plants‚ where it acts as a natural pesticide. Humans mostly extract Caffeine from the bean of the coffee plant and

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    Caffeine

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    Caffeine in the diet Email this page to a friend Bookmark & Share Printer-friendly version Caffeine is a substance that is found in certain plants. It can also be man-made (produced synthetically) and then added to food products. It is a central nervous system stimulant and a diuretic (substance that helps rid your body of fluids). Function Caffeine is absorbed and passes quickly into the brain. It does not collect in the bloodstream or get stored in the body. It leaves the body in

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