The DIGESTIVE SYSTEM IN HUMANS
OUR DIGESTIVE SYSTEM IS MADE OF A DIGESTIVE TRACK- A SERIES OF LONG HALLOW ORGANS, JOINED IN A LONG TWISTING TUBE STARTING NEAR THE MOUTH. THIS DIGESTIVE TRACK IS MADE UP OF THE MOUTH, ESOPHAGUS, SMALL INTESTINE, LARGE INTESTINE, RECTUM AND ANUS. INSIDE OF THESE ORGANS THERE IS A LINING CALLED MUCOSA. THIS MUCOSA PRODUCES JUICES THAT HELP BREAK DOWN AND LATER DIGEST FOOD. ALONG WITH MUCOSA, THE DIGESTIVE TRACK CONTAINS A SMOOTH MUSCLE SURFACE THAT WILL ALSO HELP THE BODY BREAK DOWN AND DIGEST FOOD. THE LIVER AND THE PANCREAS ALSO PRODUCE JUICES THAT ARE SENT TO THE DIGESTIVE SYSTEM THROUGH SMALL TUBES CALLED DUCTS. THESE DIGESTIVE JUICES ARE THEN STORED IN THE GALLBLADDER UNTIL THEY ARE NEEDED TO DIGEST FOODS. THERE ARE ALSO PARTS OF THE CIRCULATORY AND NERVOUS SYSTEMS THAT PLAY A MAJOR ROLE IN THE DIGESTIVE SYSTEM!