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Immmune sytem

Horizontales
The type of misguided reaction of the immune system to foreign substances to which the body is hypersensitive
The hollow bone cavities of the skull that produce mucus that trap dirt particles, preventing infections
The active, targeted immune response in which specialised cells recognise and neutralise invading microbes
A type of disease that refers to diseases in which the body cannot differentiate between harmful foreign cells and cells of the body itself, causing the body to attack its own tissue
A type of infection that can only multiply within a host organism
The process through which cells ingest and eliminate foreign cells and particles
The alternative name for white blood cells, that are responsible for fighting disease and foreign bodies
An antigen-containing substance that is injected into individuals to stimulate immune responses
The organ that lies just above the stomach, which stores and filters blood, as well as producing white blood cells
Verticales
The part of the immune system that comprises of tissues and organs that clears away infection and keeps bodily fluids in balance
A substance that induces the immune system to produce antibodies to react against it
The chemical that is released into the bloodstream by white blood cells as a local immune response, causing inflammation, which often leads red itchy welts
The type of protein that is released by some cells to trigger immune cells to fight foreign bodies
The type of white blood cells that specialise in the detection and destruction of harmful bacteria
The antigen-binding site; the part of an antibody that recognises and binds to an antigen
The gland, located in the chest, that is responsible for the production of a type of white blood cell called T-cells and progressively shrinks after puberty
The type of cell that replicates itself when exposed to an invading pathogen, named after its ability to recall characteristics of the antigen from a previous attack on the immune system
The pair of small organs that lie at the back of the throat, which stop germs from entering the body through the oral and nasal cavities