This storyboard does not have a description.
pathogens are invaders of the immune system. pathogens commonly cause humans disease
what are the 3 lines of defense??
1st line: barriers 2nd line: skin and mucus membrane 3rd line: non specific defense
how does the first line defend against infection in body?
the skin barrier stops pathogens from getting inside your body. pathogens get trapped in mucuse and the body coughs the pathogens out.
the skin stops pathogens from entering the body. mucus traps pathogens and your body will sneeze the pathogens out of the body
the first line of defense is the skin and mucus membrane. This is classified as a non-specific defense
Explore Our Articles and Examples
Try Our Other Websites!
Photos for Class
– Search for School-Safe, Creative Commons Photos (It Even Cites for You!
– Easily Make and Share Great-Looking Rubrics
– Create Custom Nursery Art