| A | B |
|---|
| dermis | inner layer of skin |
| epidermis | outer layer of skin |
| personal hygiene | cleanliness and neatness |
| lice | insects that make their home in hair |
| crown | part of a tooth you can see |
| enamel | protects crown |
| cusps | points at the top of some teeth |
| root | holds tooth in jawbone |
| incisors | front teeth that bite and cut food |
| cuspids | teeth with one point that tear apart coarse foods |
| bicuspids | teeth that replace primary molars and have 2 points |
| molars | teeth in the back of your mouth that grind food into tiny pieces |
| plaque | a sticky film of harmful germs |
| several times a day | How often should you comb your hair? |
| every 6 months | How often should you visit the dentist? |
| flouride | what is added to toothpaste and strengthens your teeth |
| microbes | tiny living organisms that can be seen only with a microscope |
| germs | harmful microbes |
| antibodies | chemical substances made by the body to fight germs |
| vaccine | weakened disease germs that cause the body to make antibodies |
| Dr. Edward Jenner | developed the smallpox vaccine |
| Louis Pasteur | scientist that helped prove that germs cause diseases |
| bacteria | microbes that are really tiny plants |
| Florence Nightingale | began the modern nursing profession |
| virus | a very tiny germ that causes diseases |
| antibiotic | what the doctor might give you to destroy harmful bacteria |
| lockjaw | another name for tetanus |
| carbon monoxide | a poisonous gas |
| pores | openings of the sweat glands |
| sties | Wash around your eyes to prevent ______. |
| orthodontist | a dentist who straightens crooked teeth |
| cuticle | the skin around your nail |
| cramp | a sudden contraction of a muscle which causes a sharp pain |
| immune | safe from a disease |
| pasteurization | heating a liquid and then cooling it quickly to destroy harmful bacteria |
| flammable | easily set on fire |
