How may stains be removed from the teeth?
What substances injure the teeth? What about cracking nuts and other hard substances with the teeth?
How many teeth has a child? A man? When do the second teeth begin to appear? How long is it intended they should last?
What sometimes takes place? What should be done? What will follow if this advice is not heeded?
How are loose teeth generally pulled? Have you ever known of a boy or girl pulling his or her own teeth? What must you watch for and do? Is there any need of such care?
What is said of some children? When should you go to the dentist?
MUSCLES.
CHAPTER VII.
EXERCISE.
Boys and girls are not likely to believe they need any instruction as to exercise. They are so fond of play that all they ask is a chance and they will use it to the utmost.