Your digestive system is a group of connected organs that work together to turn the food you eat into nutrients your body needs to function. It includes your biliary system—your gallbladder ...

The digestive system is made up of key parts, each of which has a different function. Food passes through ... called villi which have a tiny hair-like structure poking into the small intestine ...

The basic structure and functions of the lymphatic system can ... These are sentinels that protect the digestive system and the lungs from bacteria and viruses. Functions of the lymphatic system ...

This article also explains the functions of other parts of the digestive system. The mouth is the beginning of the gastrointestinal (GI) tract. A person’s GI tract comprises hollow organs that ...

There's a special structure called the epiglottis ... called the rectum until it's ready for the very last function of the digestive system — defecation. All animals, including birds, fish ...