tag="{http://www.w3.org/1999/xhtml}a">12. Immunity, 13. Vaccination and inoculation, 15. Carriers, 17. Non-communicable diseases, 20. Physical examinations, 22.

Heredity, 27. Hygiene of environment and person, 28. Ventilation, 29. Lighting, 32. Cleanliness of houses, 33. Garbage, 37. Insects, 38. Sewage, 39. Personal cleanliness, 41. Oral hygiene, 44. Treatment of teeth, 46. Clothing, 47. Food, 48. Elimination, 52. Rest and fatigue, 53. Sleep, 55. Recreation, 55.

Growth and development, 64. Average size, 64. Muscular development, 65. Development of special senses, of speech, of teeth, 66. Normal excretions, 67. Clothing, 68. Sleep, 70. Fresh air, 72. Diet, 72. Intervals of feeding, 73. Water, 75. Weaning, 75. Nursing bottles and nipples, 75. Tables of diet, 78. Bathing, 78. Eyes, 80. Mouth, 81. Nostrils, 81. Genital organs, 81. Development of habits, 82. Exercise, 83. Play and toys, 85.