Biology – Immunology (1980s)

The immune system is a complex network of cells and chemicals that defend the body against harmful invaders like bacteria, viruses, fungi, and parasites. It includes various components such as lymphocytes, antibodies, and phagocytes that work together to identify, attack, and eliminate infections. The immune response involves recognizing antigens, activating T-cells, producing antibodies, and coordinating efforts to destroy infected cells. Despite its effectiveness, some invaders can evade the immune system, leading to potential health issues that may require medical intervention. Advances in immunology have significantly improved medical science and the understanding of health maintenance throughout life.

Keywords
immune system, lymphocytes, antibodies, phagocytes, antigens, T-cells, infections, medical intervention, immunology, health

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