Across
- 1. is a biological substance that is potentially harmful to humans
- 7. is a doctor who ensures that patients are unconscious or do not feel pain during surgery
- 8. is something used to clean surfaces by killing bacteria and other microorganisms
- 9. is a condition where the appendix, a small organ which is part of the I digestive system, becomes irritated and inflamed
Down
- 2. is a chronic inflammatory lung disease that causes wheezing, coughing, and shortness of breath. Some symptoms of asthma can be treated by inhaling medicine
- 3. is the organ which pumps blood throughout the body
- 4. is an injury, such as a cut or burn, usually to the external body
- 5. is the part of the upper leg that projects slightly outward
- 6. is a cotton fabric used to cover wounds or surgical incisions
- 7. is one of the two upper chambers of the heart, which receive blood from veins