Across
- 3. the science of life
- 4. another word for 'pollution'
- 7. a verb which means 'break' when talking about a computer
- 9. a substance which has an effect on the body
- 10. the science of chemicals
Down
- 1. the science which studies matter, movement and energy
- 2. a medicine used to treat headaches
- 5. medicines used to prevent infection
- 6. when the body is invaded by disease-causing microorganisms
- 8. the science of treating illness and disease