34+ Digestive System Human Anatomy Stomach. The pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine. The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder).
The digestive system is made up of the gastrointestinal tract—also called the gi tract or digestive tract—and the liver, pancreas, and gallbladder.
The upper part of the smooth (involuntary) stomach muscle. Explore the human digestive system anatomy and know your organs and their functions in your quest for natural health. Learn anatomy of the digestive system for free. Human digestive system, system used in the human body for the process of digestion.