Immune system

Cells that recognize antigens that have previously invaded your body.

Something that causes a disease

A cell that destroys pathogens by surrounding and engulfing them.

Proteins produced by body cells specifically against viruses

Use hair like cilia and sticky liquid to trap pathogens trying to enter the body in skin openings

Cells responsible for cellular immunity

Are white blood cells that help rid the body of parasites by injecting them with toxic substances.

The body system that fights off infection and pathogens.

Cells that do humoral immunity

The two types of lymphocytes

Are protein markers that help the immune system tell the difference between a normal body cell and a pathogen.

Swelling, redness, pain, itching, increased warmth at the site of an infection

When body temperature rises ,stimulates interferon production increases rate of white blood cell production

Proteins made by B cells to destroy the pathogens

The body's first line of defense

Is an immune response that occurs on the level of the cell and is slightly different for each type of pathogen.

They release chemical signals, when a pathogen enters the body, These signals attract other white blood cells to the site of the infection