Bin C, HYGIENE OF EXCRETION 1. Kidneys: Susceptible to overstrain but are wonderfully effective mechanisms if given reasonable treatment. Protections: (a) Ample water (b) Adequate diet (c) Exercise (d) Proper posture (e) Periodic health examination &e Intestinal: The regularity and effectiveness of excretions by the bowels is influenced by: (a) Lack of proper habits of evacuation (b) Unsuitable diet (c) Weak abdominal muscles (d) Too little exercise (e) Low fluid intake 5. Lungs: Air necds of the body in character and amount. (a) Effective ventilation (b) Proper breathing 4. Skin: -Its function and appearance are guides to successful nutrition. Its effectiveness as an excretory organ is influenced by: (a) Digestion--quality and quantity of diet (b) Cleanliness-=bathing habits REQUIRED READING Storey~-Principles of Hygiene, Book l, Chape 6 Martin--Human Body, Chap. 31 Kirkpatrick & Huettner--Fundamentals of Health, Chap. 9 Meredith=-Hygiene, Chap. 35 Williams~-Personal Hygiene Applied, Chap. 10 COLLATERAL REFERENCES Burton-Opitz--Textbook of Physiology, Section on Excretion Stiles--Nutritional Physiology, Chap. 17