First Line of Defense
This outer covering protects your body from germs.
What is skin
These cells fight infections in the body.
What are white blood cells
These are Y-shaped proteins that recognize specific germs.
What are antibodies
This sticky substance in your nose traps pathogens.
What is mucus
These cells produce antibodies.
What are B cells
This is a substance that triggers an immune response.
What is an antigen?
This liquid in your mouth helps wash away bacteria.
What is saliva
These cells help direct the immune response.
What are T helper cells
The immune system’s ability to remember a pathogen is called immune _____.
What is memory?
This reflex helps remove germs from your respiratory system.
What is Coughing/ sneezing
These cells destroy infected body cells.
What are cytotoxic (killer) T cells?
Antibodies attach to antigens to mark them for this.
What is destruction?
This acid in your stomach destroys many pathogens.
What is stomach acid
These cells “eat” pathogens.
What are phagocytes
Each antibody is specific to one type of this.
What is an antigen?