419 



CHAPTER 



650. Why are some persons strong i 



651. Give illustration. 



652. How are the size and strength of the muscles preserved T 



653. Illustrate. 



654. What collateral advantages result from muscular exercise? 



655. What connection has digestion with exercise ? 



656. How does exercise aid the circulation ? 657. How respiration ? 



658. How does exercise increase animal heat? 



CHAPTER X. 



659. How does a muscle gain size and strength by exercise? 



660. What other benefit of exercise is mentioned ? 



661. What difficulties may be removed by exercise ? 662. Give the 

 history of the robust boy? 



663. How is each one to determine his proper degree of exercise? 



664. What results indicate too much action 1 What result indicates 

 enough ? 



665. What is said of the permanence of muscular action? 



CHAPTER XI. 



666. 667, 668. How should the feeble begin to exercise ? Give an 

 illustration. 



669. When do debilitated students, &c., derive no benefit from 

 labor ? 



670. What is recommended to invalids going to sea for health ? 



671. Why have not gymnastic exercises produced the expected 

 result? 



CHAPTER XII. 



672. What kind of* exercise is best? 673. How should we walk? 

 674. What exercises are allowed to boys? 675. How are girls re- 

 stricted ? 



676. What custom prevails among English women? 



677. What employments may be combined with walking? 



678. In what circumstances is dancing a good exercise ? 

 679,680 681. Give the suggestions relating to the time of taking 



exercise. 



CHAPTER XIII. 



682. Where should exercise be taken? Why? 



683. What kind of weather may prevent exercise abroad ? 



684. Are any exempted from the need of exercise ? 



685. 686. What, besides the quantity of exercise, demands attention 1 



687. Are the consequences of neglect sudden ? or remote ? Are they 

 the less certain? 



688. What laws are established ? 



