selecting variables In this lab‚ we will be studying the difference of heart rate between boys and girls. There are many things that can increase heart rate‚ such as exercise‚ drinking coffee‚ taking certain pills‚ drinking an energy drink‚ feeling a strong emotion‚ etc. I have chosen to use exercise as a means of increasing the heart rate of my subjects‚ more precisely‚ 20 sit-ups. There are many reasons why your heart rate increases when you exercise‚ the most important one being that your muscles
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Congestive Heart Failure Congestive Heart Failure is a condition in which the heart cannot pump enough blood to meet the needs of the rest of the body (Department of Health & Human Services‚ 2012). The failure can occur in on either side of the heart. In left-side heart failure‚ fluid backs up into the lungs‚ causing shortness of breath‚ due to the fact that the blood entering the left side of the heart comes from the pulmonary artery‚ and when the left ventricle cannot pump fluid out of the
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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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The author begins by discusses the effect of Europe on the Congo and people of it. It elaborates in different ways that Europe worked to exploit the resources and work to cover it up. For example‚ when King Leopard overtook the Congo‚ he claimed that his reasons were strictly philanthropic and that he wanted to extend civilization. However‚ he along with other travelers and companies‚ created systems that only allowed select few to benefit from trading while taking advantage of the natives of the
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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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person who has a heart that is ten times bigger than anybody you know possess and you struggle to keep it from jumping out of your chest most days. The truth is that you are going to be misjudged ninety percent of time and to most people you may come off as crazy. We live in a world that people are so consumed with themselves and are broken by their past that they tend to close themselves off from the rest of the world. People may show a glimpse of caring for others’‚ but their heart does not beat for
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him to great heights of creativity and the depths of paranoiac despair. Yet although he produced a relatively small volume of work‚ he virtually invented the horror and detective genres and his literary legacy endures to this day. In the Tell Tale Heart the main character‚ the narrator‚ has a problem with an old man‚ the antagonist‚ whom he is living with. The odd thing is that the problem has nothing to do with old man‚ how he acts‚ or even his attitude towards the narrator. It is simply one of the
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actions. But for unknown reasons following the Revolutionary War‚ the award had “broken service” and was not presented to anyone for approximately 150 years. However‚ it was redesigned in the 20th Century and is now known as the Purple Heart. One example of the Purple Heart is displayed at the home of Mr. and Mrs. James Speller of Windsor‚ N.C. The medal was issued in 1967 in honor of my cousin Ronnie Speller who died while serving in the Vietnam War. The medal was accepted in his honor by his parents
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The leading cause for death in a majority of countries including the United States and India is ischemic heart disease. It is estimated that one fifths of deaths in India are a result of cardiovascular diseases which include coronary heart disease‚ congestive heart failure‚ peripheral arterial disease‚ rheumatic heart disease and many more. These diseases result largely in ischemic heart failure which‚ if severe enough‚ can cause the loss of critical amounts of cardiomyocytes. This can lead to several
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Greed: a Heart of Darkness Every human’s white soul carries a dark stain; an original sin (as a Christian would say) that irks us toward sin. The stain of darkness alienates us from civilization. The stain is an innate quality endowed within‚ which forces a struggle to confine and eventually eliminate the dark stain. This stain is not divinely imprinted on our souls; rather it is a reflection of our values taught us by society and those who are an integral part in forming our character.
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