144 DIGESTION 



PAGB 



29. How is the process of absorption effected ? 133 



30. What are the lacteals, and of what use are they? 134 



31. What length of time is required for the digestion of food? 135 



32. What circumstances, of food, affect digestion ? 136 



33. What circumstances, of emotion, affect digestion ? 137 



34. What suggestions and directions are given upon the subject of eat- 



ing and drinking ? 136, 137 



-55. Describe the kidneys and their office 138 



36. What happens when their action ceases ? 138 



37. Give the location of the spleen. Has it a duct ? 139 



38. How does alcohol affect digestion? 139, 140 



39. Give the experiment on St. Martin 140 



40. State the effects of alcohol upon the liver 140, 141 



41. State the effects upon the kidneys 141 



