7.2

Question	Answer
What is the central nervous system ?	complex of nerve tissues that control the body
What are Neurons ?	special cell transmitting nerve impulses
whats the peripheral nervous system ?	nervous system outside spinal cord and brain
What are nerve impulses ?	signal transmitted along a nerve fiber
what are motor neurons	nerve cell that carries messages from cns-effectors
what is a cell body?	part of the neuron that contains the necleus
what are connector neurons ?	neurons that transmit messages to other neurons in the cns
what is the cerebellum	portion of the brain
what is the cerebrum ?	most anterior part of the brain
what does the brain stem do ?	controls the flow of messages
what is a neurotransmitter?	chemical substance released at end of nerve fiber and arriv of nerve impulse
What is a synapse?	junction between 2 nerve cells
what are dendrites ?	branched extension of a nerve cell
what is the cranium?	the skull
what is the stimulus ?	something that evokes a specific functional reaction in an organ or tissue
what is the myealin sheath	myelin is a whute fat substance that surrounds the axon of some nerve cells

Resource summary

	Created by Selman Inceoz almost 8 years ago