Every day we take lunch. We only enjoy food. We seldom bother about how it goes down into our digestive system. Dear children, you will be amazed at the process of food digestion. Our body gets prepared for digestion, as soon as we start thinking about food or we smell the food. The saliva comes in our mouth. Saliva mixes with the food. Saliva contains digestive enzymes. The digestion starts from here. Saliva moisturizes food to create a food bolus. Saliva makes the food swallowable. Food is the source of energy for our bodies. The food will only be absorbed if it breaks down into the simplest form. The entire process of breaking down the food taken is known as digestion. The food is processed step by step systematically for digestion. Many organs of the body take place in the process, for example mouth, esophagus, stomach, intestine, etc. These body parts are coordinated well with each other. These body organs form a system is known as the digestive system. ...