Coronary arteries supply blood to the heart muscle. There are two main coronary arteries: the right and the left.

Eukaryotes use different families of chaperone proteins, although they function in similar ways. Chaperone proteins are abundant in cells.

The endocrine system includes not only the pancreas—the organ involved in the development of diabetes—but also the pituitary, thyroid, and other glands.

Yahoo Sports' Andrew Siciliano and Frank Schwab break down today's latest NFL news, including Kansas City Chiefs WR Rashee Rice accepting a six-game suspension for violating the NFL's personal ...

People with Asperger’s often perform repetitive behaviors, struggle to communicate, and display other awkward mannerisms.