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| is an organ system that passes nutrients gases, hormones, blood cells, etc. to and from cells in the body to help fight diseases and help stabilize body temperature and pH to maintain homeostasis. |
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| the circulation of blood from the heart to the lungs for oxygenation and back to the heart. |
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| the passage of arterial blood from the left atrium of the heart through the left ventricle, the systemic arteries, and the capillaries to the organs and tissues that receive much of its oxygen in exchange for carbon dioxide and the return of the carbon-dioxide carrying blood via the systemic veins to enter the right atrium of the heart and to participate in the pulmonary circulation |
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| a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body. |
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| any of the vessels, as arteries, veins, or capillaries, through which the blood circulates. |
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| a blood vessel that conveys blood from the heart to any part of the body. |
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| one of the system of branching vessels or tubes conveying blood from various parts of the body to the heart |
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| a membranous fold or other structure that controls the flow of a fluid, as one that permits blood to flow in one direction only. |
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| a condition in which the superficial veins, esp of the legs, become tortuous, knotted, and swollen: caused by a defect in the venous valves or in the venous pump that normally moves the blood out of the legs when standing for long periods |
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| one of the minute blood vessels between the terminations of the arteries and the beginnings of the veins |
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| one of the minute blood vessels between the terminations of the arteries and the beginnings of the veins |
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| either of the two lower chambers on each side of the heart that receive blood from the atria and in turn force it into the arteries. |
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| the main vessel in the arterial network, which conveys oxygen-rich blood from the heart to all parts of the body except the lungs |
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| an artery conveying venous blood from the right ventricle of the heart to the lungs. |
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| a dividing wall, membrane, or the like, in a plant or animal structure; dissepiment. |
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| the membranous sac enclosing the heart |
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| refers to the pressure that is exerted on the walls of the various arteries around the body in between heart beats when the heart is relaxed. |
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| is the pressure exerted by circulating blood upon the walls of blood vessels, and is one of the principal vital signs |
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| is the pressure exerted by circulating blood upon the walls of blood vessels, and is one of the principal vital signs |
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| is considered a part of the interstitial fluid, the fluid which lies in the interstices of all body tissues |
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| is the part of the immune system comprising a network of conduits called lymphatic vessels that carry a clear fluid called lymph unidirectionally toward the heart |
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| is a solution that bathes and surrounds the cells of multicellular animals |
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| high blood pressure is a cardiac chronic medical condition in which the systemic arterial blood pressure is elevated |
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| is a condition in which an artery wall thickens as the result of a build-up of fatty materials such as cholesterol |
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| The fluid consisting of plasma, blood cells, and platelets that is circulated by the heart through the vertebrate vascular system, carrying oxygen and nutrients to and waste materials away from all body tissues |
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| Blood plasma, the yellow-colored liquid component of blood, in which blood cells are suspended |
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| is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates and the tissues of some invertebrates |
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| is a type of white blood cell in the vertebrate immune system |
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| also known as an immunoglobulin is a large Y-shaped protein used by the immune system to identify and neutralize foreign objects like bacteria and viruses |
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| A substance that when introduced into the body stimulates the production of an antibody |
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| is how your body recognizes and defends itself against bacteria, viruses, and substances that appear foreign and harmful |
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| is a biological term that describes a state of having sufficient biological defenses to avoid infection, disease, or other unwanted biological invasion |
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| or thrombocytes, are small, regularly-shaped clear cell fragments, 2-3 µm in diameter, which are derived from fragmentation of precursor megakaryocytes |
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| When blood vessels are cut or damaged, the loss of blood from the system must be stopped before shock and possible death occur |
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| When blood vessels are cut or damaged, the loss of blood from the system must be stopped before shock and possible death occur |
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| or leukocytes, are cells of the immune system involved in defending the body against both infectious disease and foreign materials |
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| are white blood cells produced by the differentiation of monocytes in tissues |
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| Any of a group of glycoproteins that are produced by different cell types in response to various stimuli, such as exposure to a virus, bacterium, parasite, or other antigen, and that prevent viral replication in newly infected cells and, in some cases, modulate specific cellular functions. |
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| is a type of blood cell that protects the body from infection |
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| blood group system is one of the currently 30 human blood group systems |
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| A person who has group O blood and is therefore able to serve as a donor to a person of any other blood group in the ABO system |
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| A person who has group O blood and is therefore able to serve as a donor to a person of any other blood group in the ABO system |
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| A person who has group AB blood and is therefore able to receive blood from any other group in the ABO system |
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| is a disease of the human immune system caused by the human immunodeficiency virus |
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| A retrovirus that causes AIDS by infecting helper T cells of the immune system. The most common serotype, HIV-1, is distributed worldwide, while HIV-2 is primarily confined to West Africa. |
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| is a reaction of your immune system to something that does not bother most other people |
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| arise from an overactive immune response of the body against substances and tissues normally present in the body. In other words, the body actually attacks its own cells |
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| is a decrease in number of red blood cells (RBCs) or less than the normal quantity of hemoglobin in the blood |
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| is a rare bleeding disorder that prevents the blood from clotting properly |
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