The immune system protects the body from pathogens from "summary" of NCERT Exemplar Problems-Solutions BIOLOGY class 12th by Arihant Experts
The immune system is a complex network of cells, tissues, and organs that work together to defend the body against harmful pathogens. These pathogens include bacteria, viruses, fungi, parasites, and other foreign invaders that can cause disease. The immune system is essential for maintaining overall health and well-being. One of the key functions of the immune system is to recognize and destroy pathogens that enter the body. This process involves a series of steps that are carried out by various components of the immune system. When a pathogen enters the body, the immune system is able to identify it as a foreign invader and mount a response to eliminate it. The immune response is divided into two main categories: innate immu...
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