CENTRAL NERVOUS SYSTEM…

BRAIN- controls behaviours and processes info from senses

SPINAL CORD- connects brain to body and transports messages, linked to the PNS

BRAIN STEM- connects brain to spinal cord and transports messages to control breathing swallowing heart rate etc

Cerebral cortex-wrinkly, many gyro (convolutions) to speed up messages and valleys called sulci as they increase SA.

corpus collosum- communication between two hemispheres