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Vena Cava Blood Flow
693 wordsEXPLORATION AND DISSECTION OF A MAMMALIAN HEART In this experiment, we obtained a fresh heart and dissected it to examine and observe the different parts of the heart, as well as studying how they function and work Problem: How can we study the heart through dissection? The most basic function of the circulatory system is to move the blood. The organ that provides the force to push the blood through the vessels is the heart. The mammalian heart is composed of four chambers to which large blood v...
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Vena Cava Blood Vessels
553 wordsAllograft A tissue graft between donor and recipient of the same species, but where they could react antigenic ally. Antibody A protein that is produced in the body in response to invasion by a foreign agent and that reacts specifically with it. Antigen A substance not normally present in the body which, when introduced into it, stimulates production of an antibody that reacts specifically to it. Anticoagulant A substance which inhibits the blood clotting mechanism. Aorta The great artery that c...
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White Blood Cells Parts Of The Body
1,025 wordsCirculatory System is the combined function of the heart, blood, and blood vessels to transport oxygen and nutrients to organs and tissues throughout the body and carry away waste products. The circulatory system increases the flow of blood to meet increased energy demands during exercise and regulates body temperature. Also, when foreign substances or organisms invade the body, the circulatory system quickly sends disease-fighting elements of the immune system, such as white blood cells and ant...
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Coronary Artery Disease High Blood Pressure
2,644 wordsAneurysm-This term refers to a localized dilation of an artery or chamber of the heart. The behavior and prognosis for aneurysms varies, depending on their size and location. Aneurysms of the heart are usually the result of a prior heart attack. They generally don't require surgical resection. They may result in congestive heart failure and arrhythmias. Aneurysms of the main artery of the body, the aorta, generally require resection once they reach a certain size-anywhere from 4. 5 to 6. 0 centi...
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Vena Cava Blood Vessels
1,407 wordsThe Circulatory System The circulatory system in anatomy and physiology is the course taken by the blood through the arteries, capillaries, and veins and back to the heart. In humans and the higher vertebrates, the heart is made up of four chambers the right and left auricles, or atria, and the right and left ventricles. The right side of the heart pumps oxygen-poor blood from the cells of the body back to the lungs for new oxygen; the left side of the heart receives blood rich in oxygen from th...
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Marfan Syndrome Life Threatening Heart
328 wordsGenetic trait MARFAN SYNDROME is a connective tissue disorder, so affects many structures, including the skeleton, lungs, eyes, heart and blood vessels. Symptoms they can be painful to live with and often require numerous surgeries. Because of ligaments and muscles with no elasticity, fingers, arms, legs and hips often dislocate. Another symptom that has just recently been acknowledged as a possible symptom is the migraine headache. The possible cause for this being the arteries becoming less el...
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Pulmonary Artery Vena Cava
1,945 wordsHeartthe human heart is a specialized, four-chambered muscle that maintains BLOOD flow in the CIRCULATORYSYSTEM. Located in the thorax, it lies left of the bodys midline, above and in contact with the diaphragm. It is situated immediately behind the breastbone, or sternum, and between the lungs, with its apex tilted to the body cavity's left side. In most people the apex can be felt during each heart contraction. At rest, the heart pumps about 59 cc (2 oz) of blood per beat and 5 l (5 qt) per mi...
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Birth Defects Blood Pressure
687 wordsMarfan Syndrome is an autosomal dominant disorder, affecting approximately one in ten-thousand people. Its affects both males and females equally, and is equally prevalent in all races. About one in four affected individuals are the result of new mutations, however in most cases the syndrome is inherited from one parent with the disorder. In 1991 the cause of Marfan Syndrome was traced to a defective gene on chromosome 15. This gene, with normal functioning, tells the body to produce fibrilla, a...
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Digestive Enzymes Nerve Fibers
979 wordsPolyplacophora 038; Cephalopoda Polyplacophora The phylum Polyplacophora, meaning many plates, contains chitons, marine mollusks with oval bodies bearing eight dorsal plates. Chitons live only in marine habitats and are commonly found in rocky areas of the intertidal zone along the coasts of almost every sea. They are stationary and cling to their rocky surfaces. Chitons are supported by eight calcareous plates called valves. Depending on the species, these plates may be small or large, cover...
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