What is the main tissue type in the digestive system?

The main tissue type in the digestive system is epithelial tissue, which lines the gastrointestinal tract and plays a crucial role in absorption and secretion. This tissue is specialized for the functions of digestion, including the secretion of enzymes and absorption of nutrients. Additionally, smooth muscle tissue is also significant in the digestive system as it facilitates the movement of food through peristalsis. Together, these tissue types ensure the proper functioning of the digestive processes.