Shared Flashcard Set

Details

Nervous System Vocabulary
Nervous System Vocabulary
19
Science
7th Grade
03/10/2006

Additional Science Flashcards

 


 

Cards

Term
cerebrospinal fluid
Definition
cushions the vertebrae and acts as a shock absorber
Term
synapse
Definition
the small space between neurons across which an impulse must move
Term
brain stem
Definition
connects the brain to the spinal cord
Term
spinal cord
Definition
the major "highway" connecting the brain and the peripheral nervous system
Term
voluntary muscles
Definition
muscles that you are able to control
Term
autonomic system
Definition
the part of the peripheral nervous system that controls your breathing while you sleep
Term
impulse
Definition
any message carried by a neuron
Term
response
Definition
what your body does in reaction to a stimulus
Term
stimulus
Definition
any change inside or outside your body that brings a response
Term
homeostasis
Definition
the maintaining of steady conditions inside your body no matter what is going on outside the body
Term
retina
Definition
a tissue at the back of the eye that is sensitive to light energy
Term
cochlea
Definition
fluid-filled structure shaped like a snail's shell, in the inner ear
Term
axon
Definition
the part of a neuron that carries impulses away from the cell body
Term
dendrite
Definition
part of a neuron that receives messages and sends them to the cell body
Term
cerebrum
Definition
part of the brain that controls voluntary muscles, balance, muscle tone
Term
central nervous system
Definition
made up of the brain and spinal cord
Term
peripheral nervous system
Definition
made up of all the nerves outside the CNS, including cranial nerves and spinal nerves
Term
cerebellum
Definition
part of the brain that controls voluntary muscles, balance, muscle tone
Term
reflex
Definition
automatic response to a stimulus that allows the body to respond without having to think about what action to take
Supporting users have an ad free experience!