Across
- 4. They are used to kill bacteria.
- 5. someone whose job is to design or build machine
- 6. It helps your body to produce antibodies.
- 7. If you are bitten by mosquito with _____ infection, you may get malaria.
- 8. someone you see when you are sick
- 10. You can only use microscope to see it.
- 14. Good _____ can be used to make yogurt.
- 15. It is used to see very small things.
- 16. Fever and sneeze are _____s showing that you are sick.
- 17. They are small things damaging your health.
Down
- 1. If you are sick, you need to take _____.
- 2. someone who does research
- 3. to pass a disease to others
- 9. a term used to call s single living thing
- 11. It may live on your skin.
- 12. Doctors collect blood _____s from their patients to exam.
- 13. It causes Covid-19.