| A | B |
|---|
| these cells are the first ones to fight invaders | phagocytes |
| stick to the pathogen so they can be quickly and easily destroyed | antibodies |
| this is where T cells and B cells are created and trained | thymus |
| these cells create antibodies | B cells |
| send out a chemical that lets the other cells know what pathogen has invaded the body | T cells |
| after pus forms, these arrive to destroy the invaders | macrophages |
| body system that helps destroy pathogens that enter | immune system |
| chemical that can only kill bacteria | antibiotics |
| three shapes of bacteria | rods, spirals, spheres |
| bacteria form this to protect themselves during bad conditions | endospore |
| whiplike tale that helps some bacteria move around | flagellum |
| oldest organisms on earth that were once thought to be bacteria, but now they have their own kingdome | archae |
| virus that makes you sick right away | active virus |
| virus that hides in the cells for a while before making you sick | hidden virus |
| virus that infects bacteria | bacteriophage |
