Cleanliness and Health

When David visits a doctor he learns that health depends on cleanliness. By using a culture of bacteria on gelatin, the doctor explains how germs enter the body and grow. David learns three purposes of the skin and also that perspiration and oil naturally gather dirt and microorganisms. Soap is seen to be necessary for proper cleansing. , Uses photomicrography to show dangerous tiny organisms which cause infections and diseases. Stresses the importance of cleanliness in maintaining good health., When David visits a doctor he learns that health depends on cleanliness. By using a culture of bacteria on gelatin, the doctor explains how germs enter the body and grow. David learns three purposes of the skin and also that perspiration and oil naturally gather dirt and microorganisms. Soap is seen to be necessary for proper cleansing.