The Digestive System (1964)
This film explores the complex process of human digestion, detailing how food is broken down into molecules by the digestive system. It follows the journey of food from the mouth, where it is chewed and mixed with saliva, through the esophagus to the stomach, where gastric juices further digest it. The film explains the roles of enzymes and hormones in digestion, highlighting the contributions of the pancreas and liver, specifically the secretion of bile for fat digestion. It also covers nutrient absorption in the small intestine and the final stages of waste elimination in the large intestine, illustrating the intricate mechanisms that sustain life.
Keywords
digestion, digestive system, enzymes, gastric juice, bile, nutrient absorption, stomach, small intestine, large intestine, peristalsis, hormones
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