The alimentary canal, also known as the gastrointestinal tract, is a long, continuous tube that extends from the mouth to the anus. It is responsible for the digestion and absorption of nutrients.
Oesophagus: The esophagus is a muscular tube that connects the mouth to the stomach.Pancreas: The pancreas is both an endocrine and exocrine gland. From the digestive system perspective, it plays an important role in producing and secreting digestive enzymes into the small intestine.Small intestine: The small intestine is the longest part of the alimentary canal and is divided into three sections: duodenum, jejunum, and ileum.