| A | B |
| Carbohydrates | Sugars in food that give people energy |
| Minerals | Substances found in non-living things |
| Capsid | The protein coat of a virus, houses the genetic material |
| Virus | A microscopic organism that causes diseases and is missing some cell parts |
| Vitamins | Substances found in many foods |
| Nutrients | Substances in foods that body cells need |
| Disease | A condition in which the body is not functioning properly |
| Fats | Nutrients in foods that supply the body with fuel or energy |
| Proteins | Nutrients in foods that build body tissues |
| Envelope | A membrane surrounding viruses that helps the virus enter cells |
| Bacillus | Rod shaped bacteria |
| Coccus | Round bacteria |
| Spirillum | Spiral shaped bacteria |
| Strepto | Bacteria that form filaments |
| Staphylo | Bacteria that form clusters |
| Fever | The body raises its temperature in response to an infection |
| Inflammatory response | A series of events that suppress infection and speed recovery |
| Immunity | Resistance to a particular disease |
| Vaccinations | A medical procedure used to produce an immunity |
| Pathogen | Any disease causing agent |
| Water | A very important nutrient found in our bodies cells |