I9 2 ANSWEHS TO PRACTICAL QUESTIONS 



10. Why do we sometimes hold the nose when we take 

 unpleasant medicine ? 



(See Question 6.) 



11. Why is the nose placed over the mouth ? 



As a sentinel at the gateway to the stomach and the 

 lungs. 



12. Describe how the hand is adapted to be the instrument 

 of touch. 



Its isolation at the extremity of the movable arm, the 

 mobility of its different parts, and the delicacy of the sen- 

 sation at the tips of the fingers, exquisitely adapt the 

 hand to be the instrument of touch. 



13. Besides being the organ of taste, what use does the 

 tongue subserve ? 



It aids in the mastication of the food and in speech. 



14. Why is not the act of tasting complete until we 

 swallow ? 



Because the organ of taste is located especially in the 

 back part of the tongue and the soft palate. 



15. Why do all things have the same flavor when one's 

 tongue is "furred" by fever ? 



They are really tasteless. The tongue is then dry, and 

 there is no saliva to dissolve and carry particles of the 

 food into the cells covering the nerves of taste. 



1 6. Which sense is the more useful hearing or sight? 



(See Wonders of the Human Body, page 201.) 



"The sight speaks more directly to the intelligence ; it 



