The autonomic nervous system orchestrates the functions of internal organs such as the heart and gut, serving as a connection between the brain and the rest of the body. It is classified in two ...

Stacker compiled a list of facts you may not know about 25 major organs and what do for your body. Read on to see what you ...

Looking at the human body from the outside, it is mostly symmetrical down the middle, so it would be a fair assumption that the same would be the case under the skin. However, the internal body is not ...

Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

In a reward-free touchscreen game, Japanese macaques favored a button that made a puppet pop up in somewhat unpredictable spots, like curious humans. Six zoo orangutans heard laughter before learning ...