1. Condition that causes difficulty in breathing
2. Hollow cavities in the skull
3. Unpleasant symptoms caused by an allergic reaction
4. Medical professional who treats illnesses and diseases
5. Involuntary expulsion of air from the nose and mouth
6. To take air into and expel it from the lungs
7. Body's defense mechanism against harmful substances
8. To experience common signs of an illness or condition
9. Common upper respiratory infection
10. Thick nasal substance cause by a cold or allergies that can be green, brown or yellow