150 DIGESTION 



29. How is the process of absorption effected ? 137 



30. What are the lacteals, and of what use are they ? 138 



31. What length of time is required for the digestion of food ? 141 



32. What circumstances, of food, affect digestion ? : 142 



33. What circumstances, of emotion, affect digestion ? 143 



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



ing and drinking ? 142, 143 



35. Describe the kidneys and their office 144 



36. What happens when their action ceases ? 144 



37. Give the location of the spleen. Has it a duct ? 145 



38. How does alcohol affect digestion ? 145, 146 



39. Give the experiment on St. Martin 146 



40. State the effects of alcohol upon the liver 146, 147 



41. State the effects upon the kidneys 147 



