Health Review 4

2. A break, crack, or chip in a bone.
3. Medicine that can be purchased without a prescription.
4. Exercises that increase your body's ability to transport and process oxygen.
5. A serum used for treating snakebites
8. Known as the "master gland"
9. Drugs that destroy or stop the growth of bacteria.
11. Served as your lungs, kidneys, and intestines before you developed these organs.
16. A depressant made from fermented grain or fruit juice.
17. The body's ability to resist a particular disease.
18. The "wires" of your communication system
20. The "control center" of the cell.
21. The part of the eye that gives it its color.
22. The largest lymphatic organ.
24. Used to effectively treat muscle injuries
25. The part of the brain that controls thinking, reasoning, and memory.
26. Carries sound from the outer ear to the eardrum.
28. Used to immobilize a broken bone.
30. The jostling of the brain inside its protective, bony covering.

1. The most frequently used illegal drug.
3. Person trained to examine eyes and prescribe glasses.
6. Made up of the brain and spinal cord.
7. A drug found in tobacco that stimulates the heart and nervous system.
10. Care given to an injured or ill person until help arrives.
12. Drugs that relieve pain without causing numbness.
13. Send messages to your brain which allow you to smell.
14. The special kind of skin cells that line your mouth, nose and throat.
15. Largest organ.
19. Dome-shaped muscle responsible for breathing.
23. Controlled by direct pressure, elevation, and compressing the nearest pressure point.
27. The substances your body needs in order to function properly are known as pathogens.
29. The best known and most widely used antibacterial drug.