J

A condition characterized by yellowing of the skin and eyes, resulting from an excess of bilirubin in the blood. It can indicate liver or bile duct issues.

The middle part of the small intestine, the jejunum is located between the duodenum (the first part) and the ileum (the last part). It helps digest food and absorb nutrients like carbohydrates, proteins, and vitamins into the bloodstream.

Joints are connections between bones that allow movement and flexibility. They come in various types, such as hinge joints and ball-and-socket joints, each serving specific functions.