control and coordination Flashcards
human nervous system
cns
pns
cns
brain
spinal cord
pns
spinal nerve-connected to spine
cranial nerve- c to brain
visceral nerve
neuron
structural and functinal unit of nervoous system
parts of neuron
dendrite-recieve info from other neuron
cell body- convert to electrical impulse
axon-transmit it to next neuron
synapse-gap between two neuron
types of neuron
sensory-receptor to cns
motor-cns to effector(muscle)
interneuron-connnect both
brain
protected by cranium
surrounded by 3 membrane-meninges
filled with cerebera spinal fluid
3 region of brain
forebrain
midbrain
hindbrain
forebrain
1]cerebrum(largest)
|
frontal lobe-memory,speak
temporal-smell
parietal-pain
ocipital-visual
2]hypothalemus-contral sleep cycle
3]thalamus-connect them
spinal cord
31 pair of nerves
enclosed in bony case calledd vertebral coluumn
hind brain
cerebullum-control postuere and balance and voluntary activities
medulla-involuntary action
pons-regulate respiration
types of glands
excrine-do not secrete hormone
endocrine- secretes
actions
voluntary
inv—–
reflex-controllled by spinal cord
pituitary gland
growth hormone
thyroid gland
throxine(contain iodine)
control metaboolism,fat and protein