Eleventh week. Food Adulterations. Tests. Drugs and the alcohol question.

Twelfth week. Digestion. The alimentary canal of frog and of man compared. Drawings. (One day.) The work of glands. Work of salivary gland. Enzymes, internal secretions. Experiments to show (a) digestion of starch by saliva, (b) digestion of proteins by gastric or pancreatic juice, (c) emulsification of fats in the presence of an alkaline medium. Functions of other digestive glands. Movements of stomach and intestine discussed and explained.

Thirteenth week. Absorption. How it takes place, where it takes place. Passage of foods into blood, function of liver, glycogen.

Fourteenth week. The Blood and its Circulation. Composition and functions of plasma, red corpuscles, colorless corpuscles, blood plates, antibodies. The lymph and work of tissues. The blood and its method of distribution. Heart a force pump. Demonstration. Arteries, capillaries (demonstration), veins. Hygiene of exercise.

Fifteenth week. What Respiration does for the Body. The apparatus used. Changes of blood within lungs, changes of air within lungs. Demonstration. Cell respiration. The mechanics of respiration. Demonstration. Ventilation, need for, explain proper ventilation. Demonstration. Hygiene of fresh air and proper breathing. Dusting, sweeping, etc.

Sixteenth week. Excretion, Organs of. Skin and kidneys, regulation of body heat. Colds and fevers. Proper care of skin, hygiene. Summary of blood changes in body. Explanation of same.

Seventeenth week. Body Control and Habit Formation. Nervous system, nerve control. The neuron theory, brain psychology explained in brief. Habits and habit formation. Hygiene of sense organs.

Eighteenth and nineteenth weeks. Civic Hygiene and Sanitation. The Improvement Of One's Environment. Civic conditions discussed. Water, milk, food supplies. Relation to disease. How safeguarded. How help improve conditions in city.

Twentieth week. Review and Examinations.

HYGIENE OUTLINE