Lymphatic and Immune System Essay Assignment Paper

Compare and contrast non-specific immunity and specific immunity. Be sure to discuss first and second lines of defense as well as cell-mediated and antibody mediated immunity.

Non-specific immunity activates the first and the second lines of defense whereas specific immunity involves the third line of defense that deals solely with lymphocytes. When it goes about specific immunity, once a pathogen is detected, it triggers the production of specific antibodies. Different response is given to different pathogens. Non-specific immunity involves the response that is more general. No immunogenic memory is generated through the non-specific immunity. Sometimes, its response occurs abnormally and it could destroy it.

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Describe the events that occur during the inflammatory response. Explain the benefits to the healing process of the inflammatory response.

In general, there exist eleven steps that in total constitute inflammatory response. It starts with constriction of blood vessels, which lasts only for a few seconds. Then, it proceeds with the dilation of blood vessels, increasing the overall blood flow and the speed of antibodies delivery. As the permeability of blood vessels increases, the fluid runs out of the blood and moves in direction of the inflamed tissues (Bech, 2014). The stasis of the blood is the next step. It causes the viscosity of blood. Then, neutrophils move to the site of inflammation, rolling in the blood vessels and finally sticking to their walls. The next step happens when neutrophils go through the walls of blood vessels and along a chemical gradient to the inflamed tissues. Then, neutrophils combat foreign bodies. This combat is expected to end up with full recovery of an ill person.

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