| A | B |
| toxin | harmful waste produced by microorganisms |
| symptoms | signs fo disease |
| communicable diseases | diseases that can be passed from one person to an other |
| infection | microorganisms growing inside the body |
| lymph nodes | small organs where certain kinds of white blood cells are made |
| vaccines | medicine that gives immunity to certain disease |
| disease | any health problem that harms or weakens the body |
| micororganisms | tiny living creatures that can cause communicable disease |
| non communicable diseases | diseases that can not be spread |
| resistance | ability of the body to fight against diseases |
| antiseptics | medicine that kills microorganisms out side of the body |
| antibiotics | medicine that kills certain types of microorganisms inside the body |
| antibodies | substance made by the white blood cells that help the body fight a certain disease |