s, 123.

Microscope, 8.

Milk, 23.

Mind, 9, 84, 88.

Minerals, 11, 19, 49.

Mosquitoes, 130.

Motion, 88.

Motor nerves, 85.

Mouth, 14, 127, 137.

Muscles, 115.

N

Nails, 76.

Near sight, 103.

Nerve messages, 85.

Nerves, 84, 116.

Nervousness, 92.

Nicotine, 31.

Night air, 67.

Nose, 127, 135.

O

Oatmeal, 24.

Oysters, 24.

P

Pain, 100.

Pancakes, 24.

Pancreatic juice, 18.

Pencils, 127, 135.

Perspiration, 78.

Pie, 29.

Pneumonia, 134.

Poisons, 19.

Potash, 12.

Potatoes, 25.

Public drinking cup, 128.

Pulse, 51.

Pus, 54.

Q

Quarantine, 137.

R

Red blood cells, 49, 54, 61.

Reflex action, 86.

Root beer, 43.

Round shoulders, 112, 117.

Rubbers, 64.

S

Saliva, 14.

Salt, 12, 26.

Scarlet fever, 137.

Senses, 88, 100.

Sensory nerves, 85.

Sewers, 81.

Sick room, 66.

Sight, 101.

Skin, 63, 75, 126.

Sleep, 90.

Slops, 80, 126.

Smallpox, 137.

Smell, 106.

Smoke, 62.

Smoking, 34.

Snuff, 33.

Soda, 12.

Spinal cord, 86.

Spitting, 32, 127.

Sprains, 112.

Starch, 11, 14, 18, 25.

Steam engine, 62.

Stockings, 64.

Stomach, 17.

Strength, 117.

Strong drink, 40.

Sugar, 11, 14, 18, 25, 28, 38, 42, 49.

Swallowing, 15.

Sweat, 63, 78.

Sweeping, 129.

Sweetbread, 18.

T

Taste, 28, 106.

Tea, 27.

Tears, 102.

Teeth, 14, 137.

Tendon, 115.

Thinking, 89.

Tight shoes, 112.

Tobacco, 31.

Tobacco and brain, 98.
breathing, 72.
chewing, 33.
children, 33.
digestion, 33.
eyes, 104.
habit, 34.
heart, 57.
muscle, 121.
strength, 32.
taste, 107.
teeth, 32.

Tongue, 15.

Tonsils, 134, 136.

Toothpick, 15.

Touch, 100.

Tuberculosis, 134.

Typhoid fever, 53, 127.

V

Vegetables, 25.

Veins, 52.

Ventilation, 65, 129.

Vinegar, 39.

Voice, 68.

W

Warmth, feeling of, 63.

Washing clothes, 80.

Waste of body, 75, 78.

Water, 10, 19, 26, 49, 127.

Wells, 26, 81.

Whisky, 44, 71.

White blood cells, 49, 53, 132.

Whooping cough, 134, 137.

Wigglers, 131.