the nervous system intro Flashcards
what is the purpose of the nervous system?
it’s the body’s communications network, coordinating data reception with appropriate response
what are the two parts to the nervous system?
peripheral and central NS
what is the purpose of the peripheral nervous system?
it collects data, & receives information such as temp, pain, light, and pressure from its surroundings
what is the unified collection of cells in the brain and spine called?
the central nervous system
what is the purpose of the CNS?
processes the details and formulates a response
what is the voluntary command of the body’s actions called?
somatic nervous system ; includes nervous and musculoskeletal systems
what is the nueromuscular junction?
when a signal travels down the nerve thru an electrical current and connects to the muscle at a special connection pt.
what are the involuntary actions of the body called?
things our body does without our conscious choice or awareness
autonomic nervous system
what does the Greek word “psyche” mean?
“mind” or “soul”
Brain
encelaph/o
cerebr/o
what are the lobes and hemispheres in the brain?
we have many lobes and 2 hemispheres making up our brain
what is the largest portion of the brain called?
cerebrum
what is under the cerebrum and what does it do?
cerebellum and it controls coordination and movements
what is the protective membrane called in the brain?
meninges
what is the tough outer layer of the brain called?
dura
