Medicine

1. a system of organs through which food passes
4. a pot used for relieving oneself when a person is not able to go to a bathroom
5. small sacs in the lungs at the endpoints of the respiratory system
6. biological substance that is potentially harmful to humans
11. hospital department that specializes in the treatment of the skin and skin diseases
13. the system responsible for carrying bloodand oxygen throughout the body
14. positive identification of a patient's disease or ailment
15. any of a great number of single-celled micro-organisms
19. small organ which is part of the digestive system, becomes irritated and inflamed
21. it is used to kill or slow the growth of bacterial micro-organisms in the body
22. hospital department where people with very serious or life-threatening injuries are treated
24. chronic inflammatory lung disease that causes wheezing, coughing and shortness of breath
25. strip of material used to protect an injury

2. muscular tube connecting the mouth at the pharynx to the cardiac end of the stomach
3. doctor who ensures that patients are unconscious or do not feel pain during surgery
7. something used to clean surfaces by killing bacteria and other microorganisms
8. progressive respiratory disease that causes shortness of breath and involves damage to lung tissues
9. a doctor who takes care of patients with heart problems
10. medical procedure which examines the inside of the colon
12. correct amount of medicine to give to a person at one time
16. the largest artery in the body
17. part of the body that contains the digestive organs and is between the groin and the waist
18. blood vessel that carries blood away from the heart
20. the smallest kind of blood vessel in the body
23. to breathe out or expel air from the lungs