The Effects of Chemicals on Daphnia Heart Research Paper by Shawnss

The Effects of Chemicals on Daphnia Heart
Describes an experiment that looks at the effects of chemicals on heart of a Daphnia.
# 104249 | 815 words | 1 source | MLA | 2005 | CA
Published on Jun 06, 2008 in Chemistry (Biochemistry) , Biology (Zoology)

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This paper describes an experiment, which stimulates the hearts of Daphnia by using caffeine, nicotine, epinephrine, ethyl, a diluted salt solution and various pH 10 solutions. The author reports measuring the heart rates of the Daphnia and discusses the changes in heart rate for each of the stimuli.

Table of Contents:
Materials and Methods
Result Analysis

From the Paper:

"Giving Nicotine to the second Daphnia, caused a drop in its heart rate (graph 2). Since nicotine is a widely used drug which is a depressant, it lowers the beating of the Daphnia heart. The Daphnia that acquired epinephrine, experienced a jump in heart rate (graph 3). Epinephrine, otherwise know as adrenaline, is secreted by the adrenal medulla in response to stress. It stimulates autonomic nerve action, which is why a rise is heart rate was observed."

Sample of Sources Used:

  • Foster, and Rachel. A stroboscopic method to investigate the effect of caffeine on Daphnia Heart Rate. Vol. 31 Issue 4, p253. 1997.

Cite this Research Paper:

APA Format

The Effects of Chemicals on Daphnia Heart (2008, June 06) Retrieved August 23, 2017, from

MLA Format

"The Effects of Chemicals on Daphnia Heart" 06 June 2008. Web. 23 August. 2017. <>