Chapter I: GROWING STRONG. 1. When you play out of doors, what do you

exercise? What do you exercise when you study? How ought you to play and study so as to get the most good from each? Why is it good to play, and work too, out of doors? 2. What games have you played in the last day or two? How did the players divide the muscle exercise of the game? Did they divide up the thinking part, too? 3. Why must the blood be sent to the muscles? Why must it be carried away again? When you feel tired, what is happening in your body? 4. What are muscles like? Show how the elastic bands of your legs work when you sit on your heels. What makes the muscles at the back of your legs feel thicker? 5. What bones of your body can you feel? Put your hands on them, as you tell what you can about each. 6. Why do we need bones? What do we call our whole framework of bones? 7. Have you ever seen anyone who had to stay all the time in bed or sit in a wheeled chair? How did this person show the lack of exercise? 8. What is the meaning of the picture on p. 129? 9. Choose one of the other pictures in this chapter and write a story about it to show how to grow strong.