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Anatomy & Physiology - part 8

bạch huyết tĩnh mạch dưới đòn trái và bên phải lồng ngực Các tuyến tuyến ức sản xuất thymosin. Thymosin chuyển đổi tế bào lympho tế bào T. nách sai. Khi máu lưu thông thông qua lá lách, các tế bào trong lá lách sẽ loại bỏ và tiêu diệt tác nhân gây bệnh. Dòng chảy bạch huyết vào các hạch bạch huyết. bộ nhớ tế bào | Chapter 16 The Lymphatic System 271 9. The appendix has long been thought to be a vestigial organ with no known function. However it does appear to protect the entrance to the to harmful pathogens. 10. The tonsils provide protection against pathogens entering the and cavities. Answers and Solutions 1. lymph 2. left and right subclavian veins 3. thoracic 4. The thymus gland produces thymosin. Thymosin converts lymphocytes to T cells. 5. axillary 6. false. As the blood circulates through the spleen the cells in the spleen will remove and destroy pathogens. Lymph flows into lymph nodes. 7. memory B cells 8. The T cells get the antigens from the macrophages that originally tried to destroy the pathogens. 9. large intestine specifically the cecum of the large intestine 10. nasal cavity and oral cavity Supplemental Chapter Problems Problems 1. Viruses cause the common cold. However a person can have a cold many times over. Why are people never immune to the common cold 2. A patient with breast cancer can have the cancerous breast removed. During the removal of the breast the surgeon will also remove some axillary lymph nodes. Why is this a common practice 3. If the thymus gland were to become diminished in its function which type of lymphocyte would be reduced in numbers 4. The virus responsible for AIDS seems to pick on the T cells. Based on this why can t our body develop antibodies to begin the process of getting rid of AIDS 5. There are many times when a child is riding a bicycle and has an accident. The child is then tossed over the handle bars of the bike in such a manner that the spleen is ruptured. Why is it so easy to rupture the spleen 272 CliffsStudySolver Anatomy Physiology 6. In the body there are several types of classification for fluid. The intercellular fluid is found within the cells. The interstitial fluid is found between the different tissues of the body. Which of those would become lymph when it enters the lymphatic system 7. In order to develop .