The Heart The heart is a group muscles that pumps blood throughout the blood vessels by repeated‚ rhythmic contractions. It is found in all animals with a circulatory system. The vertebrate heart is principally composed of cardiac muscle and connective tissue. Cardiac muscle is an involuntary striated muscle tissue found only in this organ and responsible for the ability of the heart to pump blood. The structure of the heart can vary among the different branches of the animal kingdom. Cephalopods
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Panic Attack Written by: Amarjit Kaur Fundamental of Nursing (Chapter 6) Panic attack is a sudden episode of intense fear that develops for no apparent reason and that triggers severe physical reactions. Panic attacks can be very frightening. When a panic attack occurs‚ the people might think that they are losing control‚ having a heart attack or even dying. People may have only one or two panic attacks in their lifetime‚ but if they have panic attack frequently‚ it could mean that they
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Carbohydrates & Glycobiology Dr. Jeelan Moghraby B.Sc.‚ D.Phil Assistant Professor Email: moghrabyj@ksau-hs.edu.sa Lecture 13 & 14 BIOC211 2013 Objectives Describe the structure of carbohydrates Classify the types of carbohydrates Recognise different types of glycoconjugates and their role Dr. Jeelan Moghraby Introduction Carbohydrates Most abundant organic molecule in nature Empirical formula (CH2O)n Originally produced from CO2 and H2O during
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26/11 Mumbai Attacks Terrorism can be found all over the world. Terrorists are from various nationalities. Terrorist have committed several attacks and have caused several people to lose their loved ones. Anyone can be a victim of terrorism. In 2008 Mumbai attacks‚ there were eight more attacks in financial capital of India‚ Mumbai‚ including 26th November 2008. It was one of major attack from the eight attacks in Mumbai. The attacks‚ which widespread global condemnation‚ began on Wednesday
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several attacks that occurred just days before. Yet he was 17 miles inland‚ he knew what he saw and set out to warn the town of the “sea monster” looming in the creek. “No way” were the thoughts of many as they heard Caratan Jr. tell his tale‚ and they continued on with their normal lives‚ despite his desperate cries of fear and warning. The attacks of Lester Stilwell and Stanley Fisher show that the technology of this era was very un-advanced‚ this was also the first recorded shark attack in fresh
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Artificial Heart/ Heart Transplants A natural heart has two pumps‚ each has two chambers. The right atrium pumps oxygen-depleted blood from the body into the right ventricle. The right ventricle pumps blood to the lungs. The left atrium sends aerated blood from the lungs into the left ventricle‚ which pumps blood out of the body. With each heartbeat‚ the two atria contracts together‚ followed by the large ventricles. Congestive heart failure is when the heart fails to pump blood. Heart failure
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Living in the Shadow of Heart Disease In the United States‚ every year more than 1 million Americans suffer from a heart attack. This number although it may not seem like a lot‚ is indeed quite high. Heart disease is a major killer that can in fact be controlled. If more people would watch what they eat‚ do simple exercises‚ and restrict physically damaging activities‚ such as smoking‚ they could lower their risk of a heart attack or heart disease. Many people do things that short term‚ have little
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have heart attacks and almost half of them die. Even though heart attacks isn’t the end of a person’s life‚ people can still live an active‚ productive life after a heart attack‚ because people can live healthier lives and people can go about doing things like before. This disease will take you by surprise all of a sudden. It may be surprising that while many women believe breast cancer is most threatening to them‚ it is a fact that they are eight times more likely to die of a heart attack. There
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A transient ischemic attack (TIA) happens when blood stream to some portion of the cerebrum is blocked or decreased‚ regularly by blood coagulation. A little while later‚ blood streams again and the manifestation go away with a full on stroke‚ the blood stream stays blocked‚ and the mind has changeless harm. Even though a transient ischemic attack is thought of as a “mini stroke” it is more accurately thought of as a “notice stroke” and it is a notice that ought to considered important and not be
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Heart Disease By : Nhia Moua Research Question How do you have heart disease when your all healthy? What is Heart Disease? ○ Heart disease describes a range of conditions that affect your heart. What cause Heart Disease? ○ begins with damage to the lining and inner layers of the coronary (heart) arteries. Several factors contribute to this damage. They include: smoking‚high blood pressure How can you have Heart Disease? You have heart disease by smoking. And doing some other stuff like having
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