Flashcards
7.2
Flashcards do conjunto (17)
- 1What is the central nervous system ?complex of nerve tissues that control the body
- 2What are Neurons ?special cell transmitting nerve impulses
- 3whats the peripheral nervous system ?nervous system outside spinal cord and brain
- 4What are nerve impulses ?signal transmitted along a nerve fiber
- 5what are motor neuronsnerve cell that carries messages from cns-effectors
- 6what is a cell body?part of the neuron that contains the necleus
- 7what are connector neurons ?neurons that transmit messages to other neurons in the cns
- 8what is the cerebellumportion of the brain
- 9what is the cerebrum ?most anterior part of the brain
- 10what does the brain stem do ?controls the flow of messages
- 11what is a neurotransmitter?chemical substance released at end of nerve fiber and arriv of nerve impulse
- 12What is a synapse?junction between 2 nerve cells
- 13what are dendrites ?branched extension of a nerve cell
- 14what is the cranium?the skull
- 15what is the stimulus ?something that evokes a specific functional reaction in an organ or tissue
- 16what is the myealin sheathmyelin is a whute fat substance that surrounds the axon of some nerve cells
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