What Do You Know The Body As A Machine?

Wholesome food and fresh air are necessary for a healthy body. A lot of housewives, in the course of unawareness, provide to their hard-working husbands and their rising sons and daughters foodstuff which please the hunger, however which does not provide to the body the basics wanted for daily work and enlargement. Some foods, such as lettuce, cucumbers, and watermelons, make proper and satisfactory changes in diet, but are not strength giving. Other foods, like peas and beans, not only satisfy the appetite, but supply to the body abundant nourishment. Many immigrants live cheaply and well with beans and bread as their main diet.

It is of very important meaning that the comparative worth of diverse foods as heat creator be recognized absolutely; and just as the yard dealings distance end to end and the pound dealings weight the calorie is used to calculate the quantity of heat which a food is competent of supplying to the body. Our bodies are human machines, and, like all other machines, require fuel for their maintenance. The energy supplied to an engine is not all obtainable for pulling the cars; a big fraction of the energy is missing in smoke, and another fraction is exhausted as vestiges. So it is with the energy that runs the body.