Nervous Flashcards
1
Q
what do neurons do
A
All neurons receive and conduct electrochemical impulses from one part of the body to another;
2
Q
two major functional characteristics of neurons are
A
irritability and conductivity
3
Q
describe structure of neurons
A
Their cytoplasm is drawn out into long processes (extensions), as much as 3 feet or more in the leg
4
Q
the structure of a neuron allows it to do what
A
allows a single neuron to conduct an impulse
over long distances in the body.
5
Q
neuroglia
A
A special group of supporting cells called neuroglia insulate, support, and protect the delicate neurons in the structures of the nervous system—the
brain, spinal cord, and nerves
