Conduction Velocity Assignment | Online Assignment

hey this paper needs improvement as the professor has left me comments on what to fix and i would like you to elaborate on discussion and conclusion and also please where you connect the data and references also please state the references in the writing. please refer to the grading criteria for how it should be done the reason i stated 7 pages was i want you to elaborate on the discussion and conclusion part and please use the reference whiling writing the text

Lab Report: The effects of common household drugs on circulatory functions

Abstract[TD1] 

In the examination lab, we will be witnessing the pulse frequency of black worm also refers to as Lumbriculus variegatus in standard situations and witness how the pulse frequency is obstructed drugs, nicotine, and caffeine. On the same note, the lab generally stresses the cardiovascular system which can be of use for experiments in homeostasis, conduct, toxicology, and nervy structure. The first part leads us through black worm management measures and the preliminary annotations of the behavior of the black worm and its circulatory system. The second section is an investigative area in which we strategize and run our peculiar experimentations to assess drug impacts on the pulse frequency of a black worm. Lastly, after the experiment, we will write our investigations as an informal report and come up with a lab report.

Introduction

The research lab experiment was conducted to understand the circulatory functions of black worm also identified as Lumbriculus variegatus and also to see its reaction to household drugs that contain caffeine and nicotine. Generally, Lumbriculus variegatus is a species that is found mostly in Europe and North America. This species has for a long time been used for research thanks to their transparent bodies that enable researchers to directly view their pulsation rates among their blood vessels. Apart from that, black worms are equally important for such experiments because they have a skin that easily allows drugs to diffuse thus providing almost immediate feedback. Lastly, black worms are also easy to maintain in the lab, unlike other organisms. The cardiovascular structure of a black worm is designed in such a way that it has a dorsal blood vessel that moves blood with oxygen from posterior to the anterior end through the process of muscular reduction. This is also the same system that human beings contain where the pulsation frequency is controlled by the help of the endocrine and nervous structure.[TD2]  Generally, many drugs have an impact on such a survival system therefore the use of a black worm in tested for the impact of the drug on the cardiovascular structure will mimic the human being. Pulse frequency in standard situations and observe how the pulsation rate is impacted by drugs.

Inline with the importance of the black worm, this experiment will generally exemplify the role of household drugs that contain caffeine and nicotine in altering the pulsation rates in Lumbriculus variegatus. Common substances such as caffeine and nicotine contained in household substances such as tea and coffee generally increase heart rate, pulsation rate and high blood pressure in the body of a human being once ingested.  This [TD3] substance once consumed impedes the effects of serotonin, a neurotransmitter and therefore causes the heart rate to increase. For instance, nicotine causes the heart rate to decrease through the simulation of the neurotransmitter acetylcholine. Apart from that, nicotine can trigger general body changes which can cause unusual heartbeats, intermittent heartbeat rates and other changes in the body. In a nutshell, the experiment focused on testing the differences in the impacts of nicotine and caffeine on the worms.  

The Hypothesis tested is that when Lumbriculus variegatus is placed in a greater concentration of a drug, solutions containing nicotine or caffeine, the known effects of that drug will have a greater effect in increasing or decreasing affect the pulsation rate due to their effect on muscular conytractions the rate of which will deepend on the concentration of the compound. This hypothesis is justifiable through the understanding the common household items used in this experiment each contain a different drug, and different concentrations of it as well. For example, coffee and tea both contain caffeine, but coffee contains a higher concentration of it than tea, allowing the measurement in the difference in their effects. The lab is divided into two main sections, in the sub-section, the experiment is done using known concentrations of caffeine and nicotine and thereafter perceiving the consequence on the black worms’ pulse frequency while in the following sub-section, the experiment consists is done using general household materials such as coffee, tobacco, and tea that are perceived as drugs to see their impact on pulsation frequency.

Contradictory absorptions [TD4] of the drug will generally impact the pulse frequency of the worms by making it rise. Caffeine is a mild sedative drug that distresses the essential nervy structure. In basic terms, a stimulating drug like caffeine usually results in an amplified heartbeat rate and blood flow and therefore if the same caffeine is given to black worms, it will increase the pulsation rate on it. On the other hand, conflicting absorptions of nicotine will impact the pulse frequency of the worms as it will be depicted by the experiment. Generally, nicotine is a unique type of drug, which is also a mild stimulant as caffeine. If taken in high doses, in high doses, it may have a devastating effect on the body. Nicotine is mostly found in tobacco and impacts the central nervous system. Both nicotine and caffeine have a devastating impact on the body of a human being as they upsurge or reduce the pulse rate. Opposing excerpts will affect the pulse frequency of the worms liable on the method of administration. Beverages such as coffee, tea, cigarette, and tobacco are quite diverse. Coffee has Caffeine while decaffeinated coffee does not contain caffeine. On the other hand, tea has caffeine while cigarette and chewing tobacco have nicotine. This hypothesis supports the fact that the beverages with caffeine are to increase heart rate while the ones that contain nicotine should lower the rate of the heartbeat.

Methods

As said in the abstract, this lab report helps us understand three purposes: first is to introduce us to the cardiovascular structure of worms. The next tenacity [TD5] is to establish the impact of drugs on the circulatory system of black worms about the pulsation rate. Lastly, the third purpose is to provide extra knowledge in the scheming and execution of our lab examinations. By the end of this experiment, we will be capable of identifying black worms, clarify and classify the key structures and purposes of the black worm’s circulatory system, define the rate of pulsations in a black worm, quantify the pulsation rate and swiftness, describe the impacts of nicotine and caffeine on the cardiovascular system of black worms, propose our study using black worms, and lastly present our results and conclusions by coming up with a lab report.

In performing this experiment, the following apparatus was used during this lab sitting: dissecting microscopes, stopwatches, 20 mL containers, Lumbriculus variegates, reusable plastic pipets, spring water, dissecting microscopes, glass beakers, liquefied nicotine: 0.05 mM, 0.25 mM, and1.0 mM, caffeine solutions: 1.0 mm, 3.0 mm, and 10.0 mm, paraffin compartments, applicator stick with lithe tip, huge glass bowls, and household drugs such as coffee, decaffeinated coffee, tea, cigarette, and chewing tobacco. [TD6] In the first part of the lab session, dismembering an optical microscope was adjusted to vision the three black worms in the nethermost power. Water was then pipetted on the worm in the observing space so that the black worm does not die and it was given time to adapt to the new surroundings. The optical microscope was engrossed and focused near the central area of the organism. The stopwatch was then used and set into 30-second pauses, the pulsation pulse rate was recorded and calculated through a reflection of the effervescent blood vessels in the worms. The pulse frequency of each black worm was recorded thrice and the average was identified in each segment. Thereafter the normal pulse frequency was calculated for each black worm and then was immersed in their specific solution for about fifteen minutes. The first black worm was submerged into 3 mm of the solution of caffeine, the second worm in 10 mm of caffeine solution and the last one in decaffeinated coffee. In about 15 minutes, the black worms were wetted with water and taken back to the viewing cavity to the pulse frequency of each of the three black worms. Every class of worms was given a diverse solution such as nicotine, tea, and other drugs. For this sample size, the experiment had 3 worms per group. Worm 1 and worm 2 were tested for the first part and the effects of opposing absorptions of caffeine and nicotine while worm 3 was tested for a certain extract. Sample size? -1

Statistical analysis?-1

Experiment 1?????

Several trails were conducted with various household drugs. First, the Black Worm deposited on a parafilm slip beneath a dissecting microscope. It must be recognized that a worm that had been regenerated is not being used because. Some water was deposited on the parafilm slide and approximately 3 minutes was spent allowing the form to settle in the chamber. Then, the pulse frequency of the worms was measured in 30- second increments. after, three 30-second increments, a mean rate was calculated. After its primary basal rate was measured and calculated, the worms were then placed into a beaker that contained the assigned drug concentration.

Results      

Table A: The Variation in the regular pulse frequency of black worms when not visible to a common household drug wrong table -2

	Rate before treatment per minute	Rate after treatment per minute
Black worm 1      The rate ratio of 1      Rate ratio2      The rate ratio of 3	16 16 16	16 18 20
Black worm 2       The rate ratio of 1       Rate ratio2       The rate ratio of 3	18 18 20	12 12 12
Black worm 3       The rate ratio of 1       The rate ratio of 2       The rate ratio of 3	22 14 16	6 6 4
Black worm 4, Mean 4
Black worm 5, Mean 5
Black worm 6, Mean 6

Table B: The Variation in the average pulse frequency of black worms when putting to diverse absorptions of caffeine?????

Concentration of Nicotine	Variation in the average pulsation frequency
0.05	4.682
0.25	3.7137
1	10.11

Table 3: T-test

Which is for nicotine and which for cafeiene? Poor labeling/descriptions -1

T – observed	4.2534
T – Calculated[TD7]	2.829
Degrees of Independence	35
T – critical	2.02

Table 4:

                             Both tables entirely incorrect -8

T-calculated	0.84630387
t-critical for 95%	3.179
Degree of Independence	29
Self-confidence Level	2.04

Figure 1: Evaluation of the variation in normal pulse frequency of the earthworm put to diverse absorptions of Caffeine

Figure 2: Evaluation of the variation in the average pulsation rate of the earthworm when exposed to diverse concentrations of Nicotine.

This segment generally examines the t-test outcomes of two common household drugs which are caffeine and nicotine. Fig. 1 generally proofed that the rate of pulsation in caffeine increased from a concentration of one to ten mM. On the other hand, in Fig. two, a bar graph was made by scheming the average clusters of water and caffeine in terms of treatment intensities. Fault taverns were supplemented through the calculation of standard deviation and mean of each record established. The T-test for this treatment was premeditated by using the mean, standard deviation, and the dimension of values for the maximum concentration of caffeine and water. The T-calculated rate is 2.83. A 95 percent inevitability was recorded and the arithmetical figures were matched with the hypothesis and thereafter creating a 95 percent self-assurance level. The degree [TD8] of independence was premeditated by deducting the sample magnitude which was in this case thirty-seven, therefore, giving out-degree independence of thirty-five. The T-critical got from the t-test was 2.04.  For this T-test, the t-calculated is greater than the t-critical.

From the use of water and 1mM of Nicotine, variation in pulsation frequency went down while the concentrations of nicotine went upwards. Figure two revealed that a bar chart was made from scheming the mean sets of water and nicotine addition levels. The Fault ??? bars were supplemented by the scheming of standard deviation and the average of each information set. The T-test for this addition was designed through the use of the mean, standard deviation, and dimensional standards for the highest concentration of nicotine and water. The T-calculated rate is 3.18. A ninety-five percent certainty was recorded and the statistical figure was corresponded with the hypothesis, therefore, generating a ninety-five percent confidence level. The unit of independence was calculated by deducting the sample size which was thirty-one, therefore, giving out-degree independence of twenty-nine. The T-critical obtained from this t-test was 2.04.  For this T-test, the t-calculated is greater than the t-critical.

Experiment 2[TD9] 

In this experiment, quite a several imprints were conducted using various common household dugs that contained nicotine and caffeine. The first step involved depositing the  Lumbriculus variegatus on aparafilm slide on a microscope. However, a recently regenerated black worm cannot be fit for the experiment because regenerated worms have tail segments that are pigmented therefore it has some internal function that has not matured. After depositing the black warm on a parafilm, some water is added to the inside chamber of the parafilm and left for about 5minutes to allow the form to resolve into the compartment. After all, is done, the pulsation rate starts ticking down. The pulsation rate is measured by totaling the beats in thirty-second pauses. An extreme of three thirty-second intervals is totaled and a mean is calculated to get the mean rate for the black worm. Then, the preliminary basal rate is measured and calculated and thereafter, the black worm is positioned in a medium that holds a specific absorption of the sample found in common domestic drugs. After this procedure, a pulse frequency is therefore measured by the same procedure that involves including 30-second pauses. Three 30 interval is measured them a mean is gotten which acts as the final pulsation rate. In general, after this, the steps for measuring the basal rate are repeated once more.

Results

The initial pillar of the above table has the recorded data of the average pulse frequency of Black worms. The other column of the table displays the normal frequencies of the worms after they have been positioned in their selected point. While the third part of the table is the pulsation rate deviation. The last column presents the treatment of deviations.

The above bar graph allows a conception of the information recorded in the initial table. The bars with a blue color represents the mean pulsation rate deprived of the treatment mediums while the bars with the orange color shows the mean bases rates with the treatment medium. [TD10] Lastly, the dark line represents the standard deviation for each bar.

Discussion

From the experiment, it is quite evident that the hypothesis was supported. The hypothesis was supported because when the black worm was placed where there was a high concentration of the drug, the common impacts of that drug will either decrease or increase the average pulsation rate of the body. The experiment supported the hypothesis because the treatment basal frequency of caffeine increased as the concentration increased. On the other hand, after nicotine was used, it was revealed that the higher the concentration of nicotine, the lower the basal frequency and this was in line with the hypothesis. On the other end, the lower the concentration of nicotine increased the pulsation frequency which is also in line with the hypothesis.    What about all the extracts? -2

Subsequently, caffeine’s main work in the body is to escalate the average pulsation frequency when its concentration goes up. This positive link would demonstrate the unconventional hypothesis is right. On the other hand, the purpose of nicotine is to reduce the average pulsation frequency when its concentration goes up. Therefore, a negative association would prove that the other hypothesis precise. As the concentration of caffeine goes up, the average pulsation rate of the black worm goes up (Biology Department of the City College of New York, 2016). When the level of Nicotine concentration was amplified, the average pulsation frequency of the black worms goes down.  The results from the experiment will generally prove that the hypothesis of this experiment was accurate.

In conclusion, drugs generally affect the circulatory system of a human being negative. For instance, excessive intake of nicotine found in tobacco can cause some big changes in the nervous and biochemical state of a person. Nicotine can cause physiological dependency which leads to a total addiction. Nicotine and caffeine have been known to impact how individuals function or how well they behave. The constant intake of nicotine and caffeine can cause a permanent change in the body of a human being. Research has have proofed that caffeine can have aids and drawbacks to its consumption. The positive and negative effect includes motor conduct, stimulation and how people deal with anxiety. Considering nicotine, this product has extra-functional significance to its users (University of Washington.). Generally, nicotine acts as a stimulating drug as well as a sedative prompting an increase in the heart rate. Apart from that, nicotine can also cause, nausea, and slowed or intermittent breathing patterns and Apart from the circulatory system, drugs can also cause other bodily harm which includes general neural impairment, and general deteriorations in health.        [TD11] 

Causes for error?-2

How to improve?-2

Literature Cited

Biology Department of the City College of New York. 2016. BIO10200 Lab Manual.

University Health Service. Caffeine. The University of Michigan.

https://www.uhs.umich.edu/caffeine

School of Medicine. Acetylcholine as a Neurotransmitter. The University of Washington.

https://courses.washington.edu/chat543/cvans/sfp/acetylch.html

poor choice of references -2

Writing needs improvement. Long winded, poor word choice

EDIT. Be concise.

No citations within text -1

Please follow instructions.

39/65

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 [TD1]Not required for short labs

 [TD2]Closed circulatory system. good

 [TD3]Which?

 [TD4]??????????????

 [TD5]Wrong use of word

 [TD6]Do not list

 [TD7]Tcalc tobs Same thing???

 [TD8]These labels should only describe data, any conclusions or description of trends should only be in the discussion section

 [TD9]You were not meant to separate these into two parts. Makes no sense to do so

 [TD10]I do not understand the distinction between the two. Incorrect graph and axes -4

 [TD11]Good, but This would have been good information in the intro