Science+++12

The nervous system September 24, 2009


 * Central nervous system
 * Brain- gets and sends signals around the body; Major Control Center of Body
 * Spinal Cord-is protected by spineconnects the brain to the rest of the nervous system

Peripheral Nervous system


 * Travel through the body;

Voluntary actions
 * Things you think about doing---Juggling, walking, reading, bike riding

Autonomic actions Things that you do without noticing--- sense to danger, blinking, breathing

Brain

-most important part of the body - Cerebrum
 * Protected by skull and three layers of tissue

Two halves--- right side is creativity, music, art; Left side is math, logic, speech, writing Right side of brain controls left side if body; left controls right part of body

Cerebellum Balance Muscle coordination