An elephant has only one stomach. An adult elephant's stomach is cylindrical and about 75 to 90 centimeters long. It can hold between 30 and 90 liters of content.

The digestive system of an elephant absorbs about 44 percent of the food it consumes. An adult Asian elephant eats about 150 to 200 kilograms of food a day, which is about 10 percent of its body weight. It also needs around 200 liters of water a day. An elephant's digestive tract consists of the mouth, pharynx, esophagus, stomach, intestines, cecum, rectum and anus. The elephant also uses its 26 teeth and salivary glands to help with the digestive process.