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WorksheetsBarriers of the immune system
Total questions: 12
Worksheet time: 7mins
What is the main purpose of the immune system?
support the body through bones and muscles
get rid of waste from the body
protect the body from pathogens
move blood through the body
Pathogens are recognized by their...
antigens
antibodies
killer t-cells
plasma B-cells
The body's first line of defense against pathogens includes
skin
inflammatory response.
fever
production of antibodies
Pathogens are engulfed (swallowed) and digested by
Antibodies
Lymphocytes
Phagocytes
Red blood cells
As a response to an infection, an area reddens, swells, throbs and feel warm.
Fever
Mucous membranes
Vaccination
Inflammation
True or False: Your body uses fever to help fight infection.
true
false
These cells activate killer T cells and B cells depending on the type of pathogen that is attacking the body.
Helper T Cells
Dendritic cells
Macrophages
Natural killer cells
What attaches to a specific bacteria or virus, neutralizing it and tagging it for destruction?
Perforin
Antibodies
antigens
pathogens
Each antibody is specifically made to attach to only one type of antigen
True
False
A white blood cell that makes antibodies
Helper T cell
Killer T cell
plasma B cell
macrophages
Which cell will poke holes in a cell infected with a specific virus or a cancer cell?
killer T cell
plasma B cell
helper T cell
macrophage
What do memory lymphocytes do?
Kill the virus
Eat the virus
Patrol the area and make the immune system work faster next time the body is infected with the same pathogen.
Makes antibodies
