Heart disease‚ strokes and high blood pressure The heart: Our heart is a vital organ; it is a super muscle which constantly pumps our blood around our body at a rate of 40 to 100 beats per minute for a lifetime. It never tires. The heart has two sides which are separated and each side has two chambers. Valves make sure blood can only flow in one direction. The right side receives de-oxygenated blood from the body through the vena cava and pumps it through the pulmonary artery to the lungs‚ and the
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Benefits of Exercise Research has confirmed that any amount of exercise‚ at any age‚ is beneficial. And‚ in general‚ the more you do‚ the greater the benefits. The National Academy of Sciences has recommended that everyone strive for a total of an hour per day of physical activity. Benefits of exercising are for you to take‚ regardless of your age‚ sex or physical ability. There are so many benefits of exercising‚ which will be explained in this passage. Exercise controls weight Researches have
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Research An object that is falling through the atmosphere is subjected to two external forces. The first force is the gravitational force‚ expressed as the weight of the object. The weight equation which is weight (W) = mass (M) x gravitational acceleration (A) which is 9.8 meters per square second on the surface of the earth. The gravitational acceleration decreases with the square of the distance from the center of the earth. If the object were falling in a vacuum‚ this would be
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“There Will Be Blood” Let me begin by saying that the movie‚ “There Will Be Blood‚” was completely different than I had originally thought it would be. I knew very little about the storyline of the movie and had very little background information. I guess all I really presumed what that ‘there would be blood;’ which did not happen much either. Almost immediately after beginning the film‚ I was less than amused by the look of it. The plot begins in a desolate field; no people‚ just music. I had
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right Before a heart Attack Your Body Will Give You These 4 Signs w3.newsmax.com Heart Failure Definition Heart failure is a condition in which the heart has lost the ability to pump enough blood to the body’s tissues. With too little blood being delivered‚ the organs and other tissues do not receive enough oxygen and nutrients to function properly. Description According to the American Heart Association‚ about 4.9 million Americans are living with congestive heart failure. Of these‚ 2.5 million
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Exercise #4 1. Working without taking a break. We try to get as much work done as we can in an hour. We work without taking breaks to get as much work done as we can in an hour. 2. I needed to bring work home. In order to meet the deadline. I need to bring work home in order to meet the deadline. 3. Unless the ground thaws before spring break. We won’t be planting any tulips this year. Unless the ground thaws before spring break‚ we won’t be planting any tulips this year. 4. Turning the lights
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Peer Pressure‚ Cause and Effect Peer pressure has become a big issue in our modern world. Many people experience it every day and a lot of times it leads to bad decision making. Peer pressure can affect you in the long run and knowing how to say no to certain things can sometimes save your life. There are many causes to peer pressure but the more noticeable one would be just pure excitement. Say that your peers are jumping their bikes off ramps and they ask you to try. You
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Exercises Audience relationship: The “You” Attitude Rewrite these sentences to reflect your audience’s viewpoint: 1. Your e-mail cannot be processed; we request that you use the order form on our website instead. Please use the order form on our website to enable to process ur email. 2. We insist that you always bring your credit card to the store. Please always bring your credit card to the store. 3. We want to get rid of all our CRT monitors to make room in our warehouse for the new LCD flat screen
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available energy per unit volume in terms of "osmotic pressure". It is customary to express this tendency toward solvent transport in pressure units relative to the pure solvent. If pure water were on both sides of the membrane‚ the osmotic pressure difference would be zero. But if normal human blood were on the right side of the membrane‚ the osmotic pressure would be about seven atmospheres! This illustrates how potent the influence of osmotic pressure is for membrane transport in living organisms.
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U N I T III The Heart 9. Heart Muscle; The Heart as a Pump and Function of the Heart Valves 10. Rhythmical Excitation of the Heart 11. The Normal Electrocardiogram 12. Electrocardiographic Interpretation of Cardiac Muscle and Coronary Blood Flow Abnormalities: Vectorial Analysis 13. Cardiac Arrhythmias and Their Electrocardiographic Interpretation C H A P T E R 9 Heart Muscle; The Heart as a Pump and Function of the Heart Valves With this chapter we begin
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