What do bacteria release that makes us ill?

• Tonsils

• Toxins

• Food

• Water

What is the body's largest and first line of defence against pathogens?

• Mouth

• Nose

• Eye

• Skin

What word is used to describe injecting a small amount of an inactivated pathogen into the body to stimulate immunity?

• Vaccination

• Hereditary

• Immunity

• Artificial

What is the name of the system that tries to destroy pathogens that enter the human body?

• Respiratory system

• Immune system

• Circulatory system

What is the "big cell" that surrounds the pathogen and tells the t-cell what the antigens are?

• Macrophage

• Lymphocyte

• Memory T and B cells

• Antibodies

What is it called when capillaries widen in the infected area?

• Lymphocyte

• Antigen

• Pathogen

• Inflammation

These are important because they remember the pathogen for the future.

• Macrophage

• Lymphocyte

• Memory T and B cells

• Antibodies

What attaches to antigens and tags the pathogen for destruction?

• Pathogen

• Antibodies

• B-cells

• Lymphocyte

What is the molecule located on the outside of a pathogen that the immune system recognizes?

• Lymphocyte

• Antigen

• Pathogen

• Inflammation

What is the specific response targeting a specific pathogen?

• Immune response

• Antigen

• Memory T and B cells

• Antibodies