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The body system that fights off infection and pathogens.
immune system
The body's first line of defense
Skin
They release chemical signals, when a pathogen enters the body, These signals attract other white blood cells to the site of the infection
Mast cells or basophils
A cell that destroys pathogens by surrounding and engulfing them.
Phagocyte
The two types of lymphocytes
T cells and B cells
Proteins made by B cells to destroy the pathogens
Antibodies
Proteins produced by body cells specifically against viruses
Interferons
Something that causes a disease
Pathogen
Use hair like cilia and sticky liquid to trap pathogens trying to enter the body in skin openings
Mucous membranes
Are white blood cells that help rid the body of parasites by injecting them with toxic substances.
Eosinophils
Is an immune response that occurs on the level of the cell and is slightly different for each type of pathogen.
Cellular immunity
Swelling, redness, pain, itching, increased warmth at the site of an infection
Inflammation
When body temperature rises ,stimulates interferon production increases rate of white blood cell production
Fever
Are protein markers that help the immune system tell the difference between a normal body cell and a pathogen.
Antigens
Cells that recognize antigens that have previously invaded your body.
Memory cells
Cells responsible for cellular immunity
T cells
