Across
- 1. a virus given as a vaccination for smallpox
- 3. the surname of the man that developed vaccination
- 5. you may need to go here for an operation
- 7. a departure from normal health
- 13. a drug developed by Alexander Fleming that kills bacteria
- 14. feeling sad most of the time
- 15. someone who diagnoses and treats illness
- 16. the colour of blood cells that carry oxygen
Down
- 2. a drug you can buy without prescription that reduces pain
- 4. the colour of blood cells that fight disease
- 6. they help the blood to clot and stop you bleeding
- 8. a viral disease that has now been eradicated
- 9. these prokaryotic cells produce toxins which harm the body
- 10. a pathogen that replicates inside cells and causes cell damage
- 11. what the blood has if you are stressed
- 12. a word used to describe viruses and bacteria that cause disease