332 



INDEX 



Vitreous humor, 302. 

 Vocal cords, 315-316. 



organs of man, 315. 

 Voice and speech, 315-320. 

 Voice box, 315. 

 Voluntary muscles, 194-201. 

 Vomer bone, 171. 



Walking, 200. 



Wastes of body, 18, 29, 210. 



given off by kidneys, 249. 



given off by lungs, 210. 



of food, 72. 

 Water, amount in body, 16. 



composition and symbol, 9. 



given off by kidneys, 249. 



given off by lungs, 210. 



in protoplasm, 28. 



Water Continued. 



test for, 7, 46. 



uses of, 52. 



Wax glands of ear, 308. 

 White corpuscles, 26, 122, 126. 



matter of cord, 258. 

 Windpipe, 85, *212. 

 Wisdom teeth, 79. 



X-ray pictures, 159. 



Yeast, 35-39, *37. 



changes caused by, 35. 



reproduction of, 37. 



uses of, 38. 

 Yellow spot, 305. 



Zoology, 4. 



