Chapter VII: How the Blood Is Changed by Food: Digestion

45. “ Why the inside of the mouth is always red and moist 103

46. “ Why the Skin is sometimes moist. Sweat Glands 106

47. “ The Mucous Membrane of the Alimentary Canal and its Glands 109

48. “ The Salivary Glands, Pancreas and Liver 111

49. “ Food-stuffs 113

50. “ How proteids and starch are changed 115

51. “ Lacteals and Lymphatics 117

52. “ What becomes of the Food-stuffs 120