Across
- 6. an infection of the lungs that may start with a cold
- 7. studies diseases
- 9. body fluid found in the nose and other internal organs
Down
- 1. a medicine for fever
- 2. provides relief when experiencing sore and scratchy throat
- 3. a virus that causes illness similar to that of the common cold
- 4. signs of an illness
- 5. hollow upper part of the nose
- 8. to spread or pass on