Digestion: Anatomy, physiology, and chemistry - Medical News …
网页2023年5月23日 · During digestion, food passes through the following stages: the mouth; the esophagus; the stomach; the small intestine; the large intestine, or colon; the rectum; How does digestion work,...
Your Digestive System & How it Works - NIDDK - National …
网页Each part of your digestive system helps to move food and liquid through your GI tract, break food and liquid into smaller parts, or both. Once foods are broken into small enough parts, your body can absorb and move the nutrients to where they are needed. Your large intestine absorbs water, and the waste products of digestion become stool ...
Human digestive system | Description, Parts, & Functions
网页2024年9月14日 · human digestive system, system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract, or the series of structures and organs through which food and liquids pass during their processing into forms that can be absorbed into the bloodstream. The system also consists of the ...
Human digestive system - Wikipedia
网页The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body.
Digestive System (Anatomy): How It Works - WebMD
网页2023年12月5日 · Digestive system process. With the help of hormones and nerves, your digestive system processes the food you take in. The muscles within your organs push it along as your digestive system breaks...
18.3: Digestion and Absorption - Biology LibreTexts
网页Digestion occurs when food is moved through the digestive system. It begins in the mouth and ends in the small intestine. The final products of digestion are absorbed from the digestive tract, primarily in the small intestine. There are two different types of digestion that occur in the digestive system: mechanical digestion and chemical digestion.
Digestion - Wikipedia
网页Different phases of digestion take place including: the cephalic phase, gastric phase, and intestinal phase. The cephalic phase occurs at the sight, thought and smell of food, which stimulate the cerebral cortex. Taste and smell stimuli are sent to the hypothalamus and medulla oblongata.
How Digestion Works - Johns Hopkins Medicine
网页The digestive system carries out three primary processes: mixing food, moving food through the digestive tract (peristalsis) and using chemicals to break down food into smaller molecules. Consult a health care provider about specific questions regarding how digestion works and any related digestive health problems. Find a Doctor. Basics.
Physiology, Digestion - StatPearls - NCBI Bookshelf
网页2022年9月12日 · Digestion is a form of catabolism or breaking down of substances that involves 2 separate processes: mechanical digestion and chemical digestion. Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion.
Digestive System: Function, Organs & Anatomy - Cleveland Clinic
网页What is the digestive system? Your digestive system is a network of organs that help you digest and absorb nutrition from your food. It includes your gastrointestinal (GI) tract and your biliary system. Your GI tract is a series of hollow organs that are all connected to each other, leading from your mouth to your anus.