Name___ Chapter 16-Lymphatic System & Immunity Take Home Quiz 1. Explain the functions of the lymphatic system. Transports excess fluid to the bloodstream‚ absorbs fats‚ and helps the body defend against disease causing agents. 2. Trace the general pathway of lymph from the interstitial spaces to the bloodstream. The lymphatic capillary network is found next to the systemic and pulmonary capillary networks. It then travels through lymph vessels into lymph nodes. It returns to lymph vessels
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GERMS For as long as humans have been on this planet‚ the microscopic life forms that we call germs‚ or pathogens‚ have been here too. For all this time they have been multiplying in the soil‚ in the water‚ and in our bodies. They are in the mouth‚ on the skin‚ and even in important organs. But that is not always a bad thing‚ because humans could not live without germs. Some germs‚ or "microbes" help digest food‚ while others produce vitamins. Most of the time‚ people and germs coexist peacefully;
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had a fever‚ the chills‚ loss of appetite and pain around the injection site‚ however when Jenner injected the boy two months later with matter from a smallpox lesion‚ the smallpox disease did not develop and Jenner determined that the young boy was immune to the disease (Riedel). Jenner may be credited with the first vaccine‚ however his idea to inject matter from a lesion of a disease in order to achieve protection from that disease‚ was not revolutionary. In fact‚ vaccinations date back to as early
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Defence against Disease and the Immune System In this essay I have distinguished clearly between active/ passive‚ natural/artificial immunity and described some methods of vaccine production. I have critically compared the effectiveness of the smallpox vaccination programme with programmes aimed at control of measles‚ polio‚ influenza‚ malaria and cholera. Introduction (Immune System‚ 2012) “The immune system is made up of a network of cells‚ tissues‚ and organs that work together
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it is good for you. B. Dr. Lee Berk and fellow researcher Dr. Stanley Tan of Loma Linda University in California have been studying the effects of laughter on the immune system. C. To date their published studies have shown that laughing lowers blood pressure‚ reduces stress hormones‚ increases muscle flexion‚ and boosts immune function by raising levels of infection-fighting T-cells‚ disease-fighting proteins called Gamma-interferon and B-cells‚ which produce disease-destroying antibodies
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deadly diseases because they have very weak immune systems. One type of disease one could get is Aspergillosis infection. Symptoms of Aspergillosis include wheezing‚ shortness of breath‚ cough‚ and fever (in rare cases). Aspergillosis is a disease caused by Aspergillus‚ a common mold (a type of fungus) that lives indoors and outdoors. Most people breathe in Aspergillus spores every day without getting sick. However‚ people with weakened immune systems or lung diseases are at a higher risk of developing
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There are three different types of this virus: Influenza-A-Virus‚ Influenza-B-Virus and Influenza-C-Virus but Influenza-C-Virus doesn’t affect humans‚ so it is unnecessary. If the viruses get through droplet or smear infections in our body and our immune system is too weak to cope‚ the symptoms a flu might cause are similar to a common cold but usually more extreme. Possible symptoms are fever‚ headache‚ malaise (a feeling of being ill and without energy that can be extreme)‚ cough‚ sore throat‚ nasal
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I’d like to inform you as to why vaccines are important. Vaccinations are what keeps us healthy and prevents us from getting a disease. Three main reasons why is because it reduces the risk of getting a disease‚ it keeps your immune system strong and healthy and it prevents from passing it on to others. Reducing the risk of getting a disease will not only benefit you‚ but others as well. Getting a disease is not fun and can sometimes be life-threatening‚ but vaccinations lower that chance. Vaccinations
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what immunotherapy is? How long has it been around? Immunotherapy is the changing of the immune system to find and eliminate foreign cancer cells. There have been early attempts to try and change the immune system to fight cancer. Like changing the immune system into seeing the disguised cancer cells as foreign which then triggers a response to attack the cell Immunotherapy is the changing of the immune system to find and eliminate foreign cancer
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Cells: Innate Immunity Phagocyte – internalize and destroy antigen Receptors and Ligands Phagocyte Receptor Direct PPRR* Indirect FcγR CR-1 complement receptor CRP binding site (C-reactive Protein) * Primitive Pattern Recognition Receptors Antigen Ligand PAMPS** IgG (Fc) C3b CRP ** Pathogen Associated Molecular Patterns Armamentarium o Lysosomal Enzymes Lactoferrin – binds iron Defensins – permeabalize membranes Lysozyme – destroys bacterial wall Myeloperoxidase
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