Search results
- immune system, the complex group of defense responses found in humans and other advanced vertebrates that helps repel disease-causing organisms (pathogens). Immunity from disease is actually conferred by two cooperative defense systems, called nonspecific, innate immunity and specific, acquired immunity.
www.britannica.com › science › immune-system
People also ask
How does an inflammatory response start?
Is innate immune pathways a model system in wound healing/Peromyscus?
Are autoimmune diseases inherited?
4 days ago · Antibody-mediated immune mechanisms. Protective attachment to antigens; Activation of the complement system; Activation of killer cells; Other antibody-mediated mechanisms; Transfer of antibodies from mother to offspring; Cell-mediated immune mechanisms; Immunity against cancer; Prophylactic immunization. Passive immunization; Active immunization
The immune system is a network of biological systems that protects an organism from diseases. It detects and responds to a wide variety of pathogens, from viruses to parasitic worms, as well as cancer cells and objects such as wood splinters, distinguishing them from the organism's own healthy tissue.
Apr 23, 2020 · The immune system has a vital role: It protects your body from harmful substances, germs and cell changes that could make you ill. It is made up of various organs, cells and proteins. As long as your immune system is running smoothly, you don’t notice that it’s there.
- 2020/04/23
Jul 30, 2020 · The immune system is made up of two parts: the innate, (general) immune system and the adaptive (specialized) immune system. These two systems work closely together and take on different tasks. The immune system fights germs and foreign substances on the skin, in the tissues of the body and in bodily fluids such as blood.
- 2020/07/30
Human body systems > The immune system review. Google Classroom. Key Terms. Infectious diseases are caused by viruses, bacteria, fungi, protists, and other pathogens. Pathogens are often spread through coughing, sneezing, and physical contact between people.
Nov 22, 2023 · Summary. The immune system is the body’s tool for preventing or limiting infection. Its complex network of cells, organs, proteins, and tissues enable the immune system to defend the body from...
This overview identifies key mechanisms used by the immune system to respond to invading microbes and other exogenous threats and identifies settings in which disturbed immune function exacerbates tissue injury. Keywords: Adaptive immunity, atopy, B cell, complement, costimulation, inflammation, innate immunity, superantigen, T cell, tolerance.