The Immune System and Transplantation

The Immune System and Transplantation

Ankit Shah

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What is the immune system?Imagine, your body is a castle and the immune system is its vigilant army. It consists of a complex network of blood cells, organs, tissues, and proteins that constantly monitor and combat infectious agents that attack us. These agents, called pathogens, can infect us with anything from a viral infection to the flu. But no need to be afraid. Our immune system is always on the ready to identify and neutralize these attacks.Dual protection: Innate and adaptive immunityOur immune system is made up of two main arms:·        Innate immunity is the body’s first line of defense against infection. It is non-specific, meaning that it can attack any pathogen. Innate immunity includes barriers such as the skin, mucous membranes, and stomach acid, as well as cells and proteins that can kill pathogens directly.·        Adaptive immunity is the body’s second line of defense. It is specific, meaning that it can only attack certain pathogens. Adaptive immunity is slower to respond than innate immunity, but it is more powerful and can provide long-term protection against infection.How the immune system worksThe immune system works in a complex and coordinated manner to protect us from infection. When a pathogen enters the body, it is first detected by the innate immune system. The innate immune system then activates a cascade of events that lead to the production of antibodies and other immune cells. These antibodies and immune cells then attack the pathogen and destroy it.The importance of a healthy immune systemA healthy immune system is essential for good health. It helps to protect us from infection, disease, and cancer. There are many things we can do to support a healthy immune system, such as eating a healthy diet, getting regular exercise, and getting enough sleep.

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