Across
- 4. More than half your body is made of this
- 6. Microscopic living things that can cause you to get sick
- 7. Special parts of food that help your body be healthy
- 9. Liquid or pill that helps your body fight illness
- 10. System in your body that allows you to breathe
Down
- 1. This helps to give your body energy
- 2. Something that you do often
- 3. The study of how features are passed from parents to children
- 5. A type of disease that can spread from person to person
- 8. How many stages does the human life cycle have?