the nervous system TEST 2 Flashcards
1
Q
THE NERVOUS SYSTEM consists of which two systems?
A
CNS
PNS
2
Q
the CNS consists of wt?
A
brain
spinal cord
3
Q
the 2 MAIN sections of the PNS and define
A
somatic- Consists of neurons that communicate between the body and the brain (body movements & external environment)
Autonomic- deals with internal organs and glands. 2 subdivisions is Sympathetic and parasympathetic
4
Q
Sympathetic (3)
A
Most active when you are angry, afraid, or aroused
Fight-or-flight response
Increases heart rate and breathing & Stops digestion
5
Q
parasympathetic (2)
A
Calms body
Reduces heart rate and breathing & Restores digestion
6
Q
name the layers of evolution of d brain (3)
A
Central core
limbic system
cerebral cortex
