“My gut says ” or “I feel butterflies in my stomach ” are some ways people think about their digestive system and its purpose. But in reality, our guts cannot talk to us or feel emotional about ...

New research finds there is significant variation in the anatomy of the human digestive system, with pronounced differences possible between healthy individuals. The finding has implications for ...

Over a century ago, when scientists were classifying the body’s organs, one was short shrifted, according to researchers who say part of the digestive system deserves to be upgraded to organ status.

Medically reviewed by Michael Menna, DO Key Takeaways The circulatory system carries oxygen and nutrients throughout the body and removes waste.The lymphatic system helps fight disease by creating and ...

Organs often have fluid-filled spaces called lumens, which are crucial for organ function and serve as transport and delivery ...

The mouth starts the digestion process by breaking food down into a more easily digestible form. It does this through a combination of mechanical and chemical digestion. After people take food in ...

Mayo Clinic researchers have demonstrated that a noninvasive screening test can detect not only colorectal cancer but also the common cancers above the colon -- including pancreas, stomach, biliary ...