Biology P&D

Topics: Myocardial infarction, Hypertension, Smoking Pages: 3 (814 words) Published: May 5, 2013
Health, Diet and Diseases
Substance Abuse and Heart Disease
Problem Statement:
In Trinidad and Tobago there has been a reported increase in the number of Cardiac disease related deaths. Design an experiment to investigate the relationship between a particular lifestyle choice and the health of an individual’s heart. Hypothesis:

The more cigarettes villagers living within Philadelphia Trace smoke the higher the blood pressure of those villagers. Aim:
To plan and Design an experiment to investigate whether or not the number of cigarettes a person smokes affects the person's blood pressure. Materials/Apparatus:
20 villagers who smoke cigarettes, 8 villagers who do not smoke cigarettes, blood pressure monitors, cigarettes, pens, cards, papers and rulers. Variables:
The number of cigarettes given to the villagers in the various groups. Control-:
Villagers that do not smoke blood pressure should be obtain to be used as a reference. •The Smokers blood pressure should be taken no more than 1 minutes after having finish smoking the required amount of cigarettes. •The number of villagers assigned per group.

The blood pressure reading obtained from the villagers.
1.Screen villagers to ensure that other health factors other than smoking do not affect the blood pressure results obtained. 2.Categorize the villagers into smokers and non-smokers by giving the villagers who smoke red card and the villagers who do not smoke blue cards. 3.Divide the non smokers into groups of two. Number these groups One-Four 4.Test villagers that are non smokers blood pressure and record the values obtain. 5.Separate the 20 smoking villagers into groups of two. Number these groups Five-Fourteen. 6.Give the villagers in group five, two cigarettes each to smoke. 7.As soon as the villagers have finish smoking the cigarettes test and record the villagers respective blood pressure. 8.Repeat...
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