wkm Digestive System Model On Borad | Human Stomach Anatomical Body Model  (Pathological Stomach Section Large Small Intestine Medical Model Anatomy)

The digestive system is a highly intricate and crucial network within the human body, dedicated to the systematic breakdown of ingested food for the extraction of essential nutrients. Beginning in the mouth, mechanical and chemical processes initiate the digestion of food, facilitated by teeth for grinding and saliva for enzyme secretion. The esophagus then transports the chewed food to the stomach, where further mechanical churning and chemical breakdown occur with the assistance of gastric juices. The small intestine, serves as the primary site for nutrient absorption, featuring specialized structures like villi and microvilli to maximize surface area. The liver produces bile to aid in fat digestion, while the gallbladder stores and releases it. The pancreas contributes digestive enzymes and regulates blood sugar levels. As the process advances into the large intestine, water absorption takes place, and the remaining material forms feces in the colon before being stored in the rectum and ultimately expelled through the anus. This orchestrated sequence ensures that the body obtains the necessary components for energy, growth, and maintenance.