Across
- 2. a disease symptom
- 5. when mots of the population is immune to an infectious disease
- 8. the organ that converts food we eat into fuel for the body's cells
- 9. something you wear to avoid coronavirus
- 10. : the organs that absorb nutrients and water
Down
- 1. microsocpic organism like bacteria or virus
- 3. microorganism that cause disease
- 4. : the organs that allow us to breath
- 6. the organ that filters out dangerous chemical
- 7. the organ that removes nitrogenous wastes