The Nervous System
Makes up critical portion of the nervous system
Nerve cells connected by nearly 1 million miles of nerve
Has the largest area of uncommitted cortex of any
species giving humans flexibility for learning.
Brain consumes about 20% of the body's energy .
The Brain uses about 1/5 of the body's oxygen.
The Brain gets about 8 gallons of blood each hour
(supplying nutrients like glucose, protein, trace elements,
Brain needs 8-12 glasses of water a day for optimal