The alimentary canal, also known as the digestive tract, is a long tube-like structure that runs through the human body and is responsible for the digestion and absorption of food. It begins at the mouth and includes the esophagus, stomach, small intestine, and large intestine, ending at the anus. The alimentary canal is lined with specialized cells that secrete enzymes and mucus to aid in the breakdown and absorption of nutrients. It plays a crucial role in the processing and utilization of food for energy and the elimination of waste products.

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