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Blood Pressure

And how ethnicity affects it.
by

Spencer Allegaert

on 26 April 2010

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Transcript of Blood Pressure

How is Blood Pressure affected by ethnicity? Studies show that environment, physical behavior, and genotype
all contribute to Human blood pressure. Health Risks of High blood pressure include: Heart Attack Stroke Heart Failure What is Blood Pressure? Measured by systolic pressure(maxium pressure against walls of blood vessels) over diastolic pressure(minimum pressure). The force exerted in our blood vessels. How does High Blood Pressure or
Hypertension occur? Our Results

White
120/80
117/79
125/82
112/70
117/83
Avg-118.2/78.8 Hispanic
125/80
120/90
110/70
130/90
141/89
Avg-125.2/83.8

Asian
130/80
120/75
140/90
110/80
125/75
Avg-125/80
Black
120/87
139/75
137/85
127/85
118/80
Avg-128.2/82.4 We found that African Americans had the highest blood pressure of the four races that we tested. Caucasions had the lowest blood pressure, Asians were 2nd lowest, and then Hispanics. High blood pressure can occur from a variety of things, include poor diet and exercise, genetics, and other environmental factors. Obesity, stress and potassium deficieny are also
contributers to high blood pressure. We believe that, based on
our outside research, Whites will
have the lowest Blood Pressure, then
Asians, then Hispanics, then African Americans. Studies show that Hypertension is most
common among african americans, due to their
bodys' sensitivty to salt which absorbs water, increasing
blood pressure. All of our subjects were tested after
eating, and well after sports, so as to not create other variables. There is a direct link between physical activity
and low pulse rate. As one conditions more the body
becomes more efficient, beating less times per minute to supply the body. People with low pulse rates often have lower blood pressure, as there bodys' are more fit, and thus exert less to pump blood to the rest fo the body. Aging also increase blood pressure. Sources:
http://www.blood-pressure-hypertension.com/blood-pressure/blood-pressure-5.shtml
http://galenet.galegroup.com/servlet/SciRC?ste=23&t=4&docNum=A60107941&locID=s1221&c=1&finalAuth=true&bi=SU&bt=Blood+Pressure+and+Race&st=b&tc=14&tf=2 Using a shpygmomanometer, and
stethoscope, we exert force on the arm,
until we no longer hear the heart beat. Slowly we release pressure until we hear
the heart beat again, (systolic) and then until it
stops beating (diastolic). Based on our results, and research
our hypothesis was correct.
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