This story is part of a series exploring human anatomy and physiology complexities. Each story in this collection showcases discoveries reshaping our understanding of the body's inner workings, ...

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 ...

The gallbladder is a small, pear-shaped organ in the upper-right abdomen. It stores and releases bile, which is a liquid the liver produces, to support digestion by helping to break down fats. The ...

Do you find yourself often feeling heavy and lethargic, despite generally sleeping well? The secret to feeling light, energized, and healthy often starts in your gut. A smooth-running digestive system ...