Nervous System Flashcards
What are the two purposes of the nervous system?
control how your body moves and tells you if your in pain.
Main Functions of the Nervous System:
*coordinates activities of…
all body systems.
Main Functions of the Nervous System:
*carries electrical messages…
throughout the body.
Name the three main structures of the nervous system.
Brain, spinal cord, and nervous tissue.
What are the two divisions of the nervous system?
the central nervous system (CNS) and the peripheral nervous system (PNS)
The central nervous system (CNS) is made up of…
the brain and the spinal cord.
The peripheral nervous system (PNS) is made up of…
all other nervous systems.
What are neurons?
cells of the nervous system.
Neurons have a high metabolism. They need a large supply of what two compounds.
O2 and C6H12O6
The neuron cell body is called…
soma
The soma contains the usuall
cellular organelles
Dendrites are…
short, highly branched extensions that transfer information to the cell body
Axon are…
long projection that carries impulses away from the soma.
What is the space between neurons called?
synapse
Upon stimulation, neurons release chemicals called…
neurotransmitters