Chapter 7 Flashcards
science
Involuntary
an action not in your control
sense organ
are body structures that gather info from your surroundings
Voluntary
an action that is under your conscious control
Nerouns
cells that carry info throughout your nervous system
Nerve Impulse
is the message that a nerve carries.
Stimulus
any change that an organism can recognize
Response
is a reaction to a stimulus
Dendrite
a brunch like structure that picks up the impulses
axon
the long structure leading away from the cell
nerve
a bundle of nerve fibers
Sensory neuron
picks up a stimulus and converts it into a nerve pulse
interneuron
carries a nerve impulse to another interneuron or motor neuron
Motor neuron
sends an impulse to a muscle or gland
Synapse
a place where neurons transfer to another stricter
What is the role of the nervous system?
it receives info about what is happening inside and outside your body.