Hypertension‚ also known as high blood pressure‚ is a chronic condition in which blood pressure is elevated. “Blood pressure is the force of blood pushing against the walls of arteries as it flows through them. Arteries are the blood vessels that carry oxygenated blood from the heart to the body ’s tissues. As blood flows through arteries it pushes against the inside of the artery walls. The more pressure the blood exerts on the artery walls‚ the higher the blood pressure will be. T he size of small
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Arterial blood pressure is "normal" when the systolic pressure is 90-119 mmHg and the diastolic pressure is 60-79 mmHg. When the arterial pressure is ≥120/80 mmHg‚ a person is considering being hypertensive [1-3]. According to U.S. national guidelines (JNC 7 Report and JNC 8 Report)‚ the following represents different stages of hypertension: Classification Systolic (mmHg) Diastolic (mmHg) Normal <120 <80 Prehypertension 120-139 80-89 Stage 1 140-159 90-99 Stage 2 >160 >100 Treatment of Hypertension
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Heart Rate Experiment Introduction: The heart rate measures the contractions of your heart and is a requirement for life. The heart uses four chambers. The right and left-lower chambers are called ventricles‚ and right and left-upper chambers are called atria. These four chambers complete two cycles that replenish the tissues with oxygen and get oxygen from our lungs. The heart rate is measured in beats/ minute and a “beat” is when the lower chambers are (two ventricles) contract. This
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the Effect of Blood Pressure on Blood Flow Rate Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. Pressure changes in the cardiovascular system primarily result from You correctly answered: b. changes in the force of contraction of the heart. 2. What is the driving force for blood flow? You correctly answered: d. pressure gradient 3. Which of the following is directly proportional to blood flow? You correctly answered: e. blood vessel radius and
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Blood Pressure The function of the heart is to circulate blood around the body. The heart comprises of four chambers: Right Atrium Left Atrium Right Ventricle Left Ventricle Functionally the heart comprises of two pumps: The right atrium receives blood from the body (de-oxygenated blood) and the right ventricle pumps it into the lungs for aeration (removal of carbon dioxide and add oxygen). The left atrium receives the oxygenated blood from the lungs and the left ventricle pumps
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Formative Assignment Including PSAfor class IX PHYSICS 1. Motion is relative or absolute? Give reason. 2. Name the physical quantity that essentially changes as a body moves. 3. Is displacement or distance independent of path? How? 4. Give example of a motion in which distance is covered but there is no displacement. 5. Give one example of motion where‚ distance and displacement are same. 6. When moving car returns to the same point what will be the ratio of
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LABORATORY REPORT Activity 5: Blood Glucose Regulation Name: Instructor: Date: MATERIALS AND METHODS 1. Dependent Variable Plasma levels of glucose‚ ketones‚ insulin‚ and glucagon 2. Independent Variable Food and beverage intake 3. Controlled Variable physical activity‚ caffeine and alcohol intake‚ gender‚ age BMI 4. Why were physical activity and caffeine and alcohol intake the controlled variables? Because you can control on the amount of time you spend doing physical
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The heart is an organ that acts as a ‘’pump’’ because it pumps blood continuously that is rich in a high concentration of oxygen throughout the organs of the human body such as the brain. Blood is carried through tube like structures called blood vessels such as the artery and the vein. The arteries carry blood from the heart at high pressure which contains a high concentration of oxygen and nutrients to supply the organs. Veins carry blood at low pressure to the heart which contains a high concentration
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Blood is moved from the heart to the body by arteries. Blood pressure is the force of the blood pushing against the walls of the arteries. With each heartbeat‚ blood is pumped into the arteries. Systolic pressure is determined when the heart is contracting which causes increased pressure in the arteries. Diastolic Blood pressure is the remaining pressure in the arteries when the ventricles of the heart is relaxed allowing the heart to fill with blood. Blood pressure is influenced by cardiac output
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goldfish’s metabolic process at two different temperatures a chamber and Logger-Lite‚ computer software‚ were used during this lab. However‚ only data from lab section 1F was analyzed for this report. The goal was to determine if the goldfish’s metabolic rates‚ as measured by oxygen consumption‚ will increase when the water temperature is moderately warm. Alternatively‚ the metabolic rates of goldfish‚ as measured by oxygen consumption‚ will not differ between warm and ambient temperatures. Materials and
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