OCR Text |
Show Muscles Need Exercise. Five hundred muscles of the human body demand the sort of daily exercise exer-cise which will enable them to perform occasional unusual tasks required of them, as well as their many functions, and the exercise should he well balanced. bal-anced. Sometimes work furnishes this exercise by fortunate adjustment of mental and manual labor. Breathing fresh air is a form of exercise, as it refreshes and stimulates the respiratory respira-tory organs. Authorities declare that one breathes 3,000 cubic feet of air every hour and the condition of the air ought to be carefully considered. Also, the condition of the blood and its free circulation are of prime importance, and they are directly affected by value of foods and digestion. All the blood goes in and out of the heart once every minute, and the stomach of the average adult is supposed to manufacture manufac-ture about nine pounds of gastric juice daily. |