cider? whiskey? 7. When does fermentation stop, and for what reason?

8. What is the difference between whiskey and brandy? Why are these the most harmful of these drinks? 9. Explain the effect of alcohol on the digestion. 10. Does it increase the warmth of the body? 11. Does it increase our working power? 12. How is it that at first people thought that alcohol was helpful, when really it was not? 13. What is the effect of alcohol on the nervous system? 14. Can the man who drinks alcohol tell how, or to what extent, it is injuring him? 15. Is alcohol a food or a medicine? 16. How does alcohol usually affect the mind and character? 17. Why is smoking a foolish habit? 18. Why is it harmful for boys? 19. What is nicotine? 20. What proof have we that smoking stunts growth? 21. How is it likely to hinder a boy's career?

CHAPTER XI

1. Where does the real "eating" take place in the body? 2. How is the food carried to these parts? 3. What does the name "artery" mean?

4. What are veins? 5. If you examine blood under a microscope, what will you find in it? 6. What are the uses of these two kinds of little bodies (corpuscles)? 7. Explain the process of inflammation. 8. Draw a diagram or rough picture showing the route of the blood through the heart and body. Mark the vena cava and the portal vein. 9. What are the capillaries, and what does the name mean? 10. Why do the veins have valves? 11. Explain how the different parts of the heart act, while they are pumping and receiving the blood. 12. How many strokes of the heart-pump are there per minute in a man? a woman? a child? 13. Which part of the heart has the thickest muscle and why? 14. Where are the strongest valves? 15. What blood vessels carry the blood to and from the lungs? 16. What blood vessel carries the blood from the heart over the body? 17. When you press your hand to the left side of your chest, what movement do you feel? 18. Where is the best place to feel the pulse?

Why? 19. Which are generally nearer the surface, arteries or veins? Are they near each other? 20. Why does the heart beat faster when you run?

CHAPTER XII

1. Why is it bad for you to study or exercise while you are eating, or right after eating? 2. How does overwork, or over-training, affect the heart? 3. What kind of play or exercise strengthens it? 4. How does good food help it? 5. What is the best way to avoid heart diseases, rheumatism, consumption, and pneumonia? 6. How does outdoor air help heart-action? 7. How do alcohol and tobacco injure the blood system and heart? 8. Why is alcohol particularly bad for underfed and overworked people? 9. At what two points is the blood system most likely to give way? 10. What may cause this breakage, or leakage? 11. What "catching"

diseases often cause organic disease of the heart? 12. Why should heavy muscular work or strain be avoided after an attack of one of these diseases? 13. How may valvular heart trouble be remedied? 14. In what way are the nerve and blood systems connected? 15. What signal have we that we are beginning to over-exercise the heart? 16. What do we mean by "tobacco heart"? 17. Tell how to take care of the heart.

CHAPTER XIII

1. How long can an animal live without eating? 2. How long can an animal live without breathing? 3. Why is your body like a sponge? 4. What are cells? 5. How do they get their food? 6. How many kinds of waste come from the body cells? 7. How is each kind carried away from the body?

8. What does the blood carry from the lungs to the body cells? 9. Why does it not carry air? 10. What process keeps your body warm? 11. What happens if the body cannot get oxygen? 12. How are the human lungs formed? 13. What is the windpipe? What are the bronchi? 14. Draw a picture of the lung-tree showing how the tubes branch. 15. What is at the end of each tiny branch? 16. How do the windpipe and the esophagus differ in form? 17. Why is the windpipe stiff? 18. In what four ways is the air you breathe out different from that which you took in? 19. Why does lime-water become milky when you breathe into it? 20. When you run, why do you breathe more quickly? Why does your heart beat faster?

21. How can you improve your "wind"? 22. In fever, why do you breathe more rapidly? 23. How do the ribs and muscles help in breathing?

CHAPTER XIV

1. Why is "caged air" dangerous? 2. How is outdoor air kept clean and pure? 3. What is air made of? 4. In what ways do people poison the air?

5. How do plants help to clean the air? 6. What is the best way to ventilate a room? Why? 7. Why do you have recess? 8. How does impure air make children look and feel? 9. Why is an open fire not the best means of heating and ventilating? 10. See if the room you are now in is properly ventilated. Why, or why not? 11. What are disease germs?

12. Why is dusty air unwholesome? 13. What is the safest way to clean a room? 14. Name three groups of disease germs that float in the air.

15. Name three ways in which you can protect yourself against these germs.

16. What is a cold? 17. What is the best way to cure a cold? 18. How can you prevent colds? 19. What causes consumption (tuberculosis of the lungs)? 20. Does the tubercle bacillus attack other parts of the body?

21. Why should a consumptive hold a cloth before his face when coughing?

22. Why should his sputum be burned? 23. Why should he go to a camp or sanatorium? Give two reasons. 24. About how much money could this country afford to spend in fighting consumption? Why? 25. Why need we no longer dread it as people did twenty-five years ago? 26. What methods are used in curing the disease? 27. What methods are used for preventing it? 28. Give two reasons why spitting should be prohibited. 29. What will fresh-air and sunlight do to the disease germs in the dust?

30. What do we know about the germs of pneumonia? 31. Do those who use alcohol stand a good chance in fighting pneumonia? 32. How may pneumonia be prevented?

CHAPTER XV

1. Why is the skin so important? 2. Name some of the things that it does. 3. How many layers has it? Describe each. 4. What glands are found in the skin? 5. What is sweat, or perspiration, and from what does it come? 6. Why should clothing be porous? 7. Why should clothing be frequently washed? 8. Describe a hair gland and its muscles. 9. Describe the process of "nail-making." 10. Is there any process like this among the lower animals? 11. Why do we need nails? 12. What causes the white crescent on the nail? 13. Explain how the skin is a heat regulator.

14. What is the "normal temperature" of the body? 15. How does perspiring affect the heat of the body? 16. What are the "nerve buds" or "bulbs"?

17. Name four things that they do.

CHAPTER XVI

1. What are the uses of the skin to the rest of the body? 2. In what two ways does the skin clean itself? 3. What should we specially avoid in washing or scrubbing the skin? 4. What are the characteristics of a good soap? 5. What are the dangers of a poor soap? 6. What are the advantages of cold water in bathing? 7. How often should hot baths be taken and why? 8. On what parts of the body should soap be most freely used? 9. What is the best way of keeping the hair and scalp healthy?

10. Why is this important? 11. Why should hair tonics be let alone?

12. What causes dandruff? 13. How should the nails be trimmed and cleaned?

14. What should be done to the nail-fold? 15. Why is dirt under the nails sodangerous? 16. What qualities should a good garment possess as to shape, fit, and texture? 17. What are the advantages and disadvantages of wool?

18. What are the advantages and disadvantages of cotton? 19. Why are furs unwholesome? 20. What is the best possible material for an undergarment? 21. What are some of the causes of diseases of the skin?

22. What is the cause of sunburn and freckles? 23. What makes a good complexion? 24. What is a corn? What causes it?

CHAPTER XVII

1. Name four processes that take place in the living body. 2. What two kinds of waste do these processes cause? 3. What is the name of the "body smoke"? 4. How is the body smoke carried away? 5. What do the terms "soluble" and "insoluble" waste mean? 6. How does the insoluble waste leave the body? 7. By what path does the soluble waste leave the body? 8. How many times in an hour is all the blood in the body pumped through the liver, kidneys, and skin? 9, Why is this done? 10. Why is the blood from the food tube sent to the liver directly, instead of by way of the heart? 11. Why is the liver such a large organ? 12. What does the liver do to the blood? 13. What is the bile duct? 14. What is the bile? 15. What is the gall bladder? 16. What do the terms "bilious" and "jaundiced" mean? 17. What effect does alcohol have upon the liver?

CHAPTER XVIII

1. What is muscle? How much of your body weight is made up of the muscles? 2. What two kinds of muscles are there? 3. How do muscles change in shape? 4. What do we mean by voluntary and involuntary muscles, and how do they differ in form and location? 5. Describe the way in which the body muscles are arranged. What kind of actions do they perform? 6. What exercise is good for the muscles over the abdomen? for the muscles of the back? 7. What muscles are we using when we "bat" or "serve" in ball and tennis? 8. How do the muscles of the limbs act for you? 9. Where are the biceps and triceps muscles? Explain their use.

10. What are tendons? What is their use (function)? 11. How is your arm fastened to your body? 12. Describe the arrangement of the muscles in the lower limb. Why are they larger than the arm-muscles? 13. How does exercising the muscles give you an appet.i.te? What else does it do?

14. Why do you naturally love to play? 15. Why is muscular exercise in the open air important in education?

CHAPTER XIX

1. What are the bones? 2. Make a rough sketch of the human skeleton.

3. In what sense are the bones the tools of the muscles? 4. How are the bones of the skull arranged? 5. Give two functions (uses) of the spinal column (back bone). 6. What bones and tendons do you use when you stand on tip-toe? 7. How are the limbs fastened to the body and back bone?

8. Why is the collar-bone more likely to be broken than some of the other bones? 9. How are the joints formed? 10. What is cartilage? 11. How does it help in making the two kinds of joints we find in the body? 12. Is there any arrangement for oiling the joints? If so, what is it? 13. When you soak a bone in weak acid, what happens? What does this prove?

14. What causes disease or deformity of the bones?

CHAPTER XX

1. Why do we need a system of nerves? 2. What do we mean by motor nerves? by sensory nerves? 3. How is the central system like a telephone office? 4. What does the word ganglion mean to you? 5. What are the ganglions (ganglia) for? 6. Is the brain a ganglion? 7. Give a rough idea of the structure of the brain, and name its parts or divisions.

8. What does each one of these divisions do? 9. What is the result of injury to any one of these parts? Give an instance. 10. Where do we find the gray matter in the nervous system? 11. What is the white matter and what does it do? 12. When the thumb is paralyzed, what do we know about the brain? 13. Where in the body do we really smell, hear, and see?

14. What do we know about the speech centre? 15. Draw a picture of the spinal cord and its branches. 16. Of what use are the ganglia (gray matter) in the spinal cord? Give an example. 17. Why is it that some children can't help wriggling when tickled? 18. Why is the medulla such an important part of the nervous system? 19. When you touch a hot lamp chimney, what happens in your nervous system? 20. Suppose you had seen some tempting fruit, what would have happened in your nervous system and in your digestive system? 21. What does the brain do with the messages from the eyes, ears, and nose? 22. How does the message-and-answer system protect the body? 23. How does it help us to gain knowledge? 24. Why is it that when two people look at the same thing at the same time they may have very different ideas of what it is?

CHAPTER XXI

1. Describe the arches of the feet and tell what they are for.

2. Describe the kind of shoe you ought to wear. 3. Do you grow while asleep? 4. How much sleep do you need? 5. Are there many diseases of the muscles and bones? 6. How does nature repair a broken bone? 7. What causes most of the diseases of bones? 8. What is a slouching gait due to? 9. What is the cause of headache? 10. How should headache be regarded and treated? 11. What are the dangers of taking patent or unknown medicines? 12. What do most patent medicines contain? 13. Are the nerves resistant to disease, or specially subject to its attack?

14. What causes many of the diseases of the nerves? 15. Name some poisons that injure the nerves. 16. How may diphtheria affect the nerves?

17. What does alcohol do to the nervous system? 18. Does our modern method of life tend to cause or to cure nervous diseases and insanity? Why?

CHAPTER XXII

1. How much of the body will muscular exercise develop? 2. Why should exercise and play be in the open air? 3. What is fatigue and what does it mean? 4. Name some games that are good exercise for the body and tell why they are so. 5. Why do marching and singing and drawing alternating with your other lessons, help you to grow? 6. Is playing a waste of time? Why? 7. How much exercise a day does a grown man or woman need?

8. How should this exercise be taken? 9. What senses and powers does base-ball develop? 10. In what respects is your progress in school work like your progress in learning to play games well? 11. What are good games for girls? 12. Why have we less sickness in summer than in winter?

13. Why is gardening a valuable occupation? 14. When should we do our hardest studying? 15. What is the best and most successful way to study?

16. How can you make school work as enjoyable as play? 17. What are your duties to-day? Plan the best way to do them so that you can also take exercise and rest and time for meals. Write this plan in the form of a day's programme.

CHAPTER XXIII

1. What is the "Lookout Department" of the body, and how is the work of this department distributed among the members? 2. Describe the inside structure of the nose. 3. In what sense is the nose like a radiator?

4. What are the cilia for? 5. How does the nose dispose of dust and lint?