Literature Review The human heart is a very complicated organ‚ with the main purpose to pump life sustaining blood throughout the human body. It also supplies oxygen and nutrients to all areas and clears harmful waste from the body. The heart is made up of cardiac muscle which beats on its own. According to the article ‘heart ‘which was written by The National Geographic the heart will slow down or speed up depending on how the body is being used. This is done by nerve signals which are being
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The Effect of Exercise on Heart Rate The aim of this investigation is to find out how different types of exercise can affect my heart rate. To measure and record my heart rate‚ I am going to undergo an experimental test. I am going to do 3 different types of exercise: walking‚ light jog and lastly hard running. First‚ I will draw out a table to record my results‚ and then I will measure my resting heart rate for one minute. To make the experiment as accurate as possible‚ I will
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Medical Problem: High Blood Pressure (Hypertension) Patient: Megan Crozier 1. Define the health issue (the impact on the body) Hypertension is sustained elevation of resting systolic BP (≥ 140 mm Hg)‚ diastolic BP (≥ 90 mm Hg)‚ or both. High blood pressure is a common condition in which the force of the blood against your artery walls is high enough that it may eventually cause health problems‚ such as heart disease. Blood pressure is determined by the amount of blood your heart pumps and the
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which blood vessel diameter can be modified? Detection of changes in blood pressure (leading to resultant changes in blood vessel diameter): Baroreceptors at the carotid sinus (the bifurcation of internal and external carotid arteries in the neck) and the aortic arch detect changes in blood pressure. These non-encapsulated nerve endings‚ located in the adventitial layer of arteries‚ are technically mechanoreceptors; they respond to arterial distension occurring due to a change in blood pressure
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medical term for high blood pressure. A normal blood pressure is 120/80. A blood pressure reading higher or equal to 140/90 is considered abnormally high. Elevated blood pressure means your heart is working harder than normal‚ putting both your heart and arteries under great strain. High blood pressure is serious business. On average‚ people with uncontrolled hypertension are:<br><li>Seven times more likely to have a stroke. <br><li>Six times more likely to develop congestive heart failure. <br><li>Three
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A REFLECTIVE ACCOUNT OF A LEARNT SIMULATED SKILL BLOOD PRESSURE. The aim of this essay is to reflect and discuss my knowledge acquired in a simulated learning skill experience which forms part of my training as a student nurse in accordance with the Nurses and Midwifery Council (NMC 2010). (Marieb and Hoehn‚ 2010‚ p 703) defined Blood Pressure (BP) as ‘the force per unit area exerted on a vessel wall by the contained blood‚ and is expressed in millimetres of mercury (mm Hg)’. BP is still one
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Nick Work October 20‚ 3013 CSI: Intro to Biology Blood Sampling Objective Our Objective is to identify which blood type each sample is. We test Anti-A and Anti – B‚ and also test to determine if it is Rh positive or negative. Hypothesis We are testing unknown blood sample testing for what type of blood. When A is shown in the blood sample agglutination will accrue causing it to look grainy. Materials At least 4 dropper vial 3 blood samples Synthetic Anti – A Synthetic Anti –B Synthetic
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Determination of a Rate Law Megan Gilleland 10.11.2012 Dr. Charles J. Horn Abstract: This two part experiment is designed to determine the rate law of the following reaction‚ 2I-(aq) + H2O2(aq) + 2H+I2(aq) + 2H2O(L)‚ and to then determine if a change in temperature has an effect on that rate of this reaction. It was found that the reaction rate=k[I-]^1[H2O2+]^1‚ and the experimental activation energy is 60.62 KJ/mol. Introduction The rate of a chemical reaction often
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December 15‚ 2013 High blood pressure High blood pressure increases the risk of heart disease and stroke. Hypertension risk factors include obesity‚ drinking too much alcohol‚ smoking‚ and family history. What is high blood pressure? High blood pressure‚ also known as hypertension‚ is the most common cardiovascular disease. Blood pressure refers to the force of blood pushing against artery walls as it courses through the body. Like air in a tire or water in a hose‚ blood fills arteries to a
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Blood Pressure Experimental Design By All First Period PBS 1. Problem o Does blood pressure change when you are active? 2. Hypothesis o Blood pressure will increase when physical activity increases. o independent variable is the the stressor or physical activity and the dependant variable is the blood pressure measurement. 3. Materials o Sphygmomanometer o Lab Journal o Computer o Pencil o Paper 4. Steps 1. Wrap the
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