The heart is the organ that helps supply blood and oxygen to all parts of the body. It is divided by a partition or septum into two halves‚ and the halves are in turn divided into four chambers. The heart is situated within the chest cavity and surrounded by a fluid filled sac called the pericardium. This amazing muscle produces electrical impulses that cause the heart to contract‚ pumping blood throughout the body. The heart and the circulatory system together form the cardiovascular system. Heart
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The Human Heart The Human Heart is one of the most important organs in the entire human body. The heart is a muscular organ that acts like a pump to continuously send blood through the body. The heart beats approximately about seventy-two times per minute of our lives. Without the heart’s pumping action‚ blood can’t circulate within the human body. The heart is enclosed in a double walled sac called the Pericardium. The pericardium has outer and inner coats. The outer coat is tough and thickened
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million Americans suffer a heart attack every year‚ and almost half a million die‚ according to the American Heart Association. A heart attack often is the first symptom of coronary artery disease. The blockage usually is caused by atherosclerosis‚ the build-up of plaque in the artery walls‚ and/or by a blood clot in a coronary artery. A slow buildup of this plaque may almost block one of your coronary arteries. The cause of the heart is not always known. Heart attacks may occur when you are
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The Heart Aroused “It seems that to find the real path we have to go off the path we are on now‚ even for an instant‚ and earn the privilege of losing our way. As the path fades‚ we are forced to take a good look at the life in which we actually find ourselves.” This thought from the author and poet David Whyte brings up important concepts about our lives. Sometimes taking a step back and observing our own nature is all we need in order to better understand ourselves and where we are going.
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States 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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most beautiful heart in the whole valley. A large crowd gathered and they all admired his heart for it was perfect. There was not a mark or a flaw in it. Yes‚ they all agreed it truly was the most beautiful heart they had ever seen. The young man was very proud and boasted more loudly about his beautiful heart. Suddenly‚ an old man appeared at the front of the crowd and said “Why your heart is not nearly as beautiful as mine.” The crowd and the young man looked at the old man’s heart. It was beating
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The Artificial Heart The artificial heart is an extra pumping chamber that can pump blood throughout the body. The heart is a muscular pump that maintains oxygen and blood circulation through the lungs and body. Our heart pumps about 2‚000 gallons of blood throughout the day. An adult’s heart pumps blood at a rate of 60 to 100 beats per minute. The heart has two stages‚ in the first stage the left and right Atria contract at the same time pumping blood through the left and right ventricle. In the
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The term “heart failure” sounds as if the heart has already failed. This can increase a person’s anxiety especially in the aging population that is a targeted community for this disease assuming that the failure is equivalent to death. Heart failure is actually the decline in the hearts ability to sufficiently pump oxygenated blood to the rest of the body. Many people can live with heart failure and are able to manage it through lifestyle changes‚ prescribed medication compliance‚ and regular physician
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1. How does the heart change as it develops in a fetus? At first‚ the heart is just a tube. It grows so fast that it needs more space‚ so it bends and twists back‚ forming the familiar shape. During the next phase‚ the two atria are partly separate but there is just one big ventricle. The next phase begins when the two atria are completely separate and the ventricles are just beginning to separate. Finally‚ the ventricles separate completely and the heart is developed. 2. What is the largest vessel
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Cardiovascular disease is a group of things at are all combined together and are affected by this terrible disease. The things that get affected that involve the human heart are arteries‚ veins‚ blood vessels‚ and capillaries. Heart disease causes many different kinds of problems that are related to the process known as atherosclerosis. The condition happens to a person when a good size amount of plaque has built up in their arteries. The results from this occurring narrows the room inside of our
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