Immune System NIH

Immune System NIH immune system The immune system's job is to protect the body from infection It recognises 'invaders' such as bacteria, viruses and fungi and abnormal cells like cancer cells muscular system The immune system protects the body from potentially harmful substances The inflammatory response is part of innate immunity It occurs when

muscular system The cells that are activated in the adaptive immune response undergo clonal expansion which means that they massively proliferate And each time the adaptive

skeletal system The immune system protects the body against infection and disease It is a complex and integrated system of cells, tissues, and organs that has specialized By analyzing those stem cells, “what's clear is that the immune system is fundamentally changed after a severe infection like COVID-19,” he says