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An alimentary canal and digestive glands are parts of human digestive system. The various parts of the alimentary canal includes mouth, teeth, esophagus, pharynx, stomach, small intestine (duodenum, jejunum and ileum), large intestine, anus. Digestive glands includes salivary glands, pancreas, liver, gastric glands and intestinal glands. Out of these, salivary glands, pancreas and liver are major glands. The main function of salivary gland is to produce saliva which aids in digestion. Hepatic cells of liver secrete bile that pass into the gallbladder through the hepatic ducts. The hepatic duct from the liver and cystic duct from the gallbladder forms the common bile duct. Pancreas secretes the digestive enzymes into the small intestine in the form of pancreatic juice.
Answer:
The salivary glands, liver and gall bladder, and the pancreas aid the processes of ingestion, digestion, and absorption. These accessory organs of digestion play key roles in the digestive process. Each of these organs either secretes or stores substances that pass through ducts into the alimentary canal.