The female reproductive system includes internal and external organs, each designed to carry out varying functions. Learn more about the anatomy of this system.

Get all the news you need in your inbox each morning. The skin is the largest organ in the body. It is an external rather than an internal organ. According to National Geographic, the average ...

Sea urchins have a variety of external organs that can be found in among the spines. The photograph below is of the oral area of a regular sea urchin. The most important external organs are the ...