Our immune system is an incredibly intricate and powerful defense system that protects us from infection and disease. It consists of a complex network of organs, tissues, and specialized cells that work together to keep our bodies healthy. Let’s explore how different parts of the immune system play their role in keeping us safe from harmful environmental factors.
Working of Immune system in the human body
White Blood Cells
The most important element in the body that provides advanced immune support are white blood cells or leukocytes. These are small, colorless cells circulating throughout the body, searching for signs of infection or foreign agents such as bacteria or viruses.
When an invader is located, these cells produce special proteins called antibodies which latch onto it and help destroy it before it can further damage tissue or spread elsewhere in the body.
White blood cells also release substances into their surroundings which trigger inflammation to ward off pathogens more efficiently, as well as direct other nearby defensive molecules like macrophages towards them using chemical signals. This helps alert the rest of the body when something is wrong even before any symptoms have emerged.
Lymph nodes are small bean-shaped structures scattered throughout our bodies that contain many types of white blood cells responsible for fighting off infections and diseases. Here, these specialized cells can rapidly multiply if necessary, allowing them to quickly build up an army ready to combat any threats found in nearby tissues or organs.
Additionally, lymph nodes provide filters for pathogens by trapping them within themselves where they can be destroyed more efficiently – preventing them from spreading further into our systems.
The tonsils act as a first line of defense against invading pathogens entering through our nose and mouth – trapping them before they get too far inside our bodies by encasing viruses or germs and then destroying them with white blood cell attackers.
In some cases, they may become swollen due to excessive amounts of invaders leading common condition known as tonsillitis but usually not serious & home remedies such as gargling salt water can be a sufficient remedy for it.
Skin & Mucous Membranes
The skin acts as a physical barrier protecting us from external elements while mucous membranes secrete fluids containing antibodies that trap any intruders present making it easier for leukocytes come to destroy them. Both these lines of defense also serve as signals for the underlying immune system and prevent any other problem for the body. Cutaneous folds around openings like eyes and nostrils provide an additional layer of protection.
These are the different agents of the immune defense system that helps in the protection from antigens entering the body.
If you were wondering how an immune system works, this article would enlighten you. Several systems are working in harmony to prevent foreign objects from affecting the body.
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