The digestive system of man includes the following organs :
- Mouth. The mouth is first part of food pipe. It contains tongue, teeth and salivary glands. The tongue tastes the food. The salivary glands secrete saliva which lubricates the food. The teeth break the solid food into smaller fragments.
- Oesophagus. It is a tubular structure from mouth to stomach. It takes the food from mouth to stomach.
- Small intestine. It is a coiled tube and is the longest part of food pipe. The digestion of food is completed here with the help of enzymes present in the secretions of liver and pancreas.
- Large intestine. It absorbs water. The undigested food or faecal matter is stored temporarily and finally removed from the body through the anus.
