| A | B |
|---|
| pathogen | tiny organisms that cause infectious diseases |
| disease | condition that does not allow the body to function normally |
| immune system | responsible for distinguishing the type of pathogen and reacting to it |
| infectious disease | caused by a pathogen and can be passed from organism to organism |
| noninfectious disease | can not be passed from person to person and not caused by a pathogen |
| cold | infectious disease caused by a virus |
| influenza | infectious disease caused by a virus that attacks the respiratory system and is more severe than a cold |
| strep throat | infectious disease caused by a bacteria |
| athlete's foot | fungal infection of the skin |
| AIDS | caused by the human immunodeficiency virus |
| diabetes | inability to produce or use insulin properly |
| Asthma | noninfectious disease that affects the respiratory system |
| Parkinson's Disease | nerve cells in the brain die or become damaged |
| Skin Cancer | cancer cells are found in the outer layer of the skin |
