What happens if germs get inside your body? Why should you wash your hands before you eat? When should you go to the doctor? This book looks at how to keep our bodies healthy by avoiding germs, by keeping cuts and scrapes clean, and by taking medicine if we do get ill.What happens if germs get inside your body? Why should you wash your hands before you eat? When should you go to the doctor? This book looks at how to keep our bodies healthy by avoiding germs, by keeping cuts and scrapes clean, and by taking medicine if we do get ill.