Nervous System Flashcards
What is a nervous system
Is a organized electronic mechanism that produces movement based on information received
The nervous system can be divided into two subdivision’s..
Central nervous system
Peripheral nervous system
What does the central nervous system inculdes
The brain
Spinal cord
The brain is the(what) of the nervous system
Primary component
The Brain weighs(. ) and comprises of (. ) nervous system
3 pounds and comprises about 97% of central nervous system
The brain is divided into three parts which are
Forebrain
Brain stem
Cerebellum
The spinal cord
The spinal cord run along the dorsal side of the body and links the brain to the rest of the body
What are dendrites
Are thread like branches that increase the area of the cell making it possible for it to receive many connections with adjoining nerve cells.
Peripheral nervous system
Is made up of nerves called cranial nerves that extend out of the brain
Functions of peripheral nervous system
Collecting information
Processing and evaluation information
Response to the information evaluated
Functional division of the nervous system
Sensory divisions
Motor division
Somatic sensory
Visceral sensory