1 62 ANSWERS TO PRACTICAL QUESTIONS 



5. Why should a clothes-press be well ventilated ? 



The clothes naturally contain the products of the 

 insensible perspiration, which passing off, pollute the 

 air of the closet. 



6. Should the weight of our clothing hang from the waist 

 or the shoulder ? 



From the shoulder, so as to avoid the constriction of 

 the compressible organs in the abdomen. 



7. Describe the effects of living in an over-heated room. 



(i). The body becomes more sensitive to change, and 

 the susceptibility to colds is greatly increased : (2) the 

 dry, heated air abstracts the moisture from the skin, ren- 

 dering it dry, hard, and incapable of performing its nor- 

 mal functions. 



8. What habits impair the power of the lungs ? 



Above all others, those qf a leaning posture, tight- 

 lacing, and ill-ventilation. 



9. for full, easy breathing in singing, should ' > we use the 

 diaphragm and lower ribs or the upper ribs alone ? 



Nearly all the inspirations are effected by the move- 

 ments of the diaphragm and the inferior ribs only. From 

 time to time a deeper and more complete inspiration 

 causes the thorax to rise, not simultaneously, but succes- 

 sively at the base, then at the apex. In the first case the 

 respiration is diaphragmatic ; when the lower and middle 

 ribs are raised, it is termed lateral; and lastly, when the 

 first rib and clavicle take part in the movement, it is 



