Digestive system: Anatomy, organs, functions

They release two chemicals, acetylcholine and adrenaline Acetylcholine causes the muscle layer of the digestive organs to contract with more

Human Digestive System is a group of organs

skeletal system The gastrointestinal system comprises the GI tract and accessory organs The GI tract consists of the oral cavity, pharynx, esophagus,

operating system -systemoverview-of-the-digestive-system The digestive system, which The digestive