the nervous system Flashcards
(7 cards)
1
Q
what are the two types of nervous system?
A
central nervous system (CNS) and peripheral nervous system (PNS)
2
Q
what does the central nervous system include?
A
the brain and the spinal chord
3
Q
what does the peripheral nervous system include?
A
all nerves outside the CNS
4
Q
what two subsystems can the peripheral nervous system be divided into?
A
somatic nervous system (SNS) and autonomic nervous system (ANS)
5
Q
what does the SNS control?
A
voluntary movement - controls muscles and receives info from sensory receptors
6
Q
what does the ANS control?
A
involuntary movement - controls vital functions (breathing, heart rate)
7
Q
what 2 branches does the ANS split into?
A
- sympathetic branch - ‘fight or flight’
- parasympathetic branch - rest and digest