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Lymphatic System 7th Grade Science

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Question
Answer
small mass of tissue located in the throat between the mouth and the pharynx; believed to help protect against infections of the respiratory system   tonsils  
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a small organ positioned behind the top of the breastbone, it increases in size gradually from birth until puberty, after which it begins to shrink   thymus gland  
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a large organ positioned to the left of the stomach and below the diaphragm, it stores blood, disintegrates old blood cells, and filters out foreign substances in the blood   spleen  
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produces white blood cells, which are then transported to the lymphatic system   bone marrow  
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any of the small bodies located along the lymphatic vessels, particularly in the neck, armpit, and groin. They filter bacteria and foreign particles from lymph fluid   lymph nodes  
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a system of tubes by which lymph fluid is transported throughout the body   lymph vessels  
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the main duct or vessels of the lymphatic system   thoracic duct  
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these vessels drain lymph from the upper portions of the body   lymphatic ducts  
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network of vein-like vessels that returns fluid to the bloodstream, part of the body's defense against disease   lymphatic system  
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