Across
- 1. a change in the DNA.
- 5. the chemical reaction in your body.
- 7. a liquid or gel containing nutrients.
- 8. Protecting against illness.
- 9. when you sneeze or cough and expel tiny droplets.
- 13. obese.
- 14. minerals.
- 15. touching someone or something.
- 16. if you dont have a balanced diet you will end up...
- 17. The drugs that have changed the way we treat infections.
Down
- 1. an infectious disease is caused by a...
- 2. Second line of defence in your body.
- 3. microorganisms which cause diseases are called...
- 4. causes diseases in every type of living organism
- 6. you usually provide nutrients in ... jelly.
- 8. Illness such as the common cold.
- 10. When microorganism are passed from person to person.
- 11. factors that are brought down from your ancestors.
- 12. overweight to the level of damaging your health.
- 18. a single-celled organism that is smaller than animal and plant cells