NURSING > DISCUSSION POST > BIOS 255 Week 4 Discussion Post and Reply – Achieved the highest grade possible, an A+ in the asse (All)

BIOS 255 Week 4 Discussion Post and Reply – Achieved the highest grade possible, an A+ in the assessment.

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BIOS 255 WEEK 4 DISCUSSION POST AND REPLY – SCORED AN A+ OPTION A: The lymphatic system removes excess fluid from the body's tissues, distributes white blood cells (WBCs), and helps organ systems work properly. Lymph nodes are an important part of this system. Lymph nodes are important to the lymphatic system because they combat infections, regulate fluid balance, filter lymph, and control cancer. The lymphatic system is intricately linked to the immunological and circulatory systems, all of which contribute to equilibrium and health. OPTION B: The many aspects of the nonspecific immune system work together to provide everyday defense against a variety of diseases. The first line of defense is physical and chemical barriers, whereas phagocytic cells, natural killer cells, the complement system, inflammation, and interferons help pathogen detection and eradication. Although very efficient against specific disease types, their efficacy varies. Nonetheless, when combined with the adaptive immune response, the innate immune system's cumulative efforts create a powerful defense mechanism critical for general health and well-being. References Department of Health & Human Services. (1999, October 13). Lymphatic system. Better Health Channel. https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/lymphatic-system Saladin, K. S. (2020). Anatomy & Physiology: The Unity of Form and Function (9th ed.). McGraw- Hill Higher Education (US). https://ambassadored.vitalsource.com/books/9781260791563 Alberts B, Johnson A, Lewis J, et al. Molecular Biology of the Cell. 4th edition. New York: Garland Science; 2002. Innate Immunity. Available from: https://www.ncbi.nlm.nih.gov/books/NBK26846/ Reply Post The spleen is an oval-shaped organ on the upper left side of the abdomen. It is a lymphatic system component that aids in immunological function and blood filtering. The spleen measures around 4-5 inches in length and weighs about 7 ounces. It is located on the left side of the body, between the stomach and the diaphragm. The spleen is elongated and oval in form. The spleen is generally dark crimson in color and is surrounded by a fibrous capsule. The spleen is a vital organ that filters blood, removes damaged red blood cells, bacteria, and foreign substances, and aids in the production of antibodies and immune cells like lymphocytes. It also serves as a blood reservoir, especially during physical activity or bleeding, and can release stored blood cells into circulation when needed. In early life, the spleen was involved in red blood cell production, but this function diminishes as the bone marrow takes over. The spleen stores platelets, essential for blood clotting, and can release them into circulation when needed. It also recycles iron from old red blood cells, which is then transported to the bone marrow for new red blood cell production. References What does the spleen do?: Children’s Pittsburgh. Children’s Hospital of Pittsburgh. (n.d.). https://www.chp.edu/our-services/transplant/liver/education/organs/spleen- information professional, C. C. medical. (2021, April 29). Spleen: Function, location & size, possible problems. Cleveland Clinic. https://my.clevelandclinic.org/health/body/21567-spleen

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