Brain

The human brain is the most complex organ.
The Brain is a concentration of nerve tissue protected by the skull.
The brain is the thinkingpart and controls your voluntary muscles the ones that move when you want them to.
The brain is divided into three sections which in turn areseparated into two hemispheres.
The left controls the right side of the body and vice versa.
The left side is more analytical, helps uswhit math, logic and speech.
And the right side helps us think about abstract things like music, colors and shapes.

The cerebellum is at theback of the brain.
It´s a lot smaller than the cerebrum, at only 1/8 of size but it controls balance, movement and coordination

The brainstem is in charge of all the functions your body needs to stay alive, like breathing air, digesting food, regulate the function of the heartand respiratory muscles and circulation blood.
Also sorts through the millions of messages that the brain and the rest of the body send backand forth.

The Spinal Cord is composed of nerve fibers which transmit impulses to and from the brain, legs, arms, and trunk.
The Spinalcord is a long bundle of nerves that let messages flow back an d forth between the brain and body.
The brain start to create connections betweenthe neurons, so thing become easier so you can do some things without thinking about it because a pathway was created whit the practice