The human brain weighs less than four pounds, is made up of more than 1 billion cells, and is the control center of every human being. It keeps humans alive, allows them to experience emotions, and enables them to think and learn.
The human brain weighs less than four pounds, is made up of more than 1 billion cells, and is the control center of every human being. It keeps humans alive, allows them to experience emotions, and enables them to think and learn.