Video narration
Food enters the alimentary canal through mouth and undergoes a journey of mechanical and chemical digestion. A series of muscular movements lead to movement of food across the alimentary canal. undergoing mechnical digestion, food bolus moving through pharynx to Oesophagus, then passing through a sphincter to reach the stomach undergoing peristalsis. Next the stomach rugae churning the food bolus and stomach pepsin acting in presence of acids. Then food leaving the stomach to enter duodenum where ppancreatic and liver juices enter the scene and finally absorption through villi and microvilli in intestines and absorption of water to make stool in Colon and rectum and release through Anus.