You hear the claim all the time. "Humans only use 10 percent of their brains". Most recently, in the movie 'Limitless'. It makes one wonder what is possible if you could access or use all of it. But is the claim actually true?

A system is an organized arrangement of organs closely allied to each other and concerned with the same function. There are nine (9) systems which composed the body, they are:

Skeletal System
This consists of the bones, cartilage, and the connective tissues which bind them together. The main functions are to support, to protect and to move the body.

Muscular System

The ocean liner Britannic was the later built sister ship to the Olympic and the Titanic. Being unfinished at the start of the Great War, the ship entered service as a hospital ship and sunk in 1916 in the Mediterranean Sea. An Organ was obviously not needed on a hospital ship and it disappeared from history to surface in 2006 in Switzerland.