DOMESTIC EXERCISE.
Connection of muscles and nerves—Microscopic cellular muscular fibre—Its mode of action—Dependence on the nerves of voluntary and involuntary motion—How exercise of muscles quickens circulation of the blood which maintains all the processes of life—Dependence of equilibrium upon proper muscular activity—Importance of securing exercise that will interest the mind.
IX.
HEALTHFUL FOOD.
Apportionment of elements in food: carbon, nitrogen, phosphorus, calcium, iron, silicon, etc.—Large proportion of water in the human body—Dr. Holmes on the interchange of death and life—Constituent parts of a kernel of wheat—Comparison of different kinds of food—General directions for diet—Hunger the proper guide and guard of appetite—Evils of over-eating—Structure and operations of the stomach—Times and quantity for eating—Stimulating and nourishing food—Americans eat too much meat—Wholesome effects of Lenten fasting—Matter and manner of eating—Causes of debilitation from misuse of food.
X.
HEALTHFUL DRINKS.
Stimulating drinks not necessary—Their immediate evil effects upon the human body and tendency to grow into habitual desires—The arguments for and against stimulus—Microscopic revelations of the effects of alcohol on the cellular tissue of the brain—Opinions of high scientific authorities against its use—No need of resorting to stimulants either for refreshment, nourishment, or pleasure—Tea and coffee an extensive cause of much nervous debility and suffering—Tend to wasteful use in the kitchen—Are seldom agreeable at first to children—Are dangerous to sensitive, nervous organizations, and should be at least regulated—Hot drinks unwholesome, debilitating, and destructive to teeth, throat, and stomach—Warm drinks agreeable and not unhealthful—Cold drinks not to be too freely used during meals—Drinking while eating always injurious to digestion.