intro
consists of the brain and spinal chord.
central nervous system
largest part, responsible for higher functions
cerebum
sensory processing, spatial awareness
parietal lobe
whats the blank:
dendrites>____> synapse
axon
slows heart rate, promotes digestion ad relaxations
parasympathetic (rest and digest)
includes all nerves outside the CNS including cranial and spina nerves.
periperal nervous system.
coordinates voluntary muscle movements
cerebellum
voluntary control of skeletal muscles
somatic
carry info from sensory receptors to CNS
movement disorders wiht tremors and rigidity
parkinsons
insulates and speeds up signal transmission
myelin
controls vital functions
involuntary control of internal organ
autonomic
transmit signals from CNS to muscles and glands
motor neurons
autoimmune disease affecting myelin sheathes
multiple sclerosis
receives signals from other neurons
dentrites
contains thalamus and hypothalamus
diencphalon
how many pairs of cranial nerves
12
connect and intergrate info between neurons
interneurons
paralysis of lower body
paraplegia
axon
transmits signals to other neurons
dura mater: tough, outer layer
arachnoid: middle, web like layer
pia mater: delicate, innermost layer
meninges
how many pair of spinal nerves?
31
increases heart rate, breath rate and blood pressure
sympathetic (fight or flight)
quadriplegia
paralysis of all four limbs