Neuron
The Nervous System
Central Nervous System
Peripheral Nervous System
Neuron Continued
100
At one end the cell body is a cluster of branching fibers
What is a dendrites?
100
Consists of the brain and spinal cord.
What is the central nervous system?
100
A bundle of neurons used for transmitting messages between the brain and the rest the body.
What is the spinal cord?
100
Specializes in the control of voluntary movements and communications of information to and from the sense organs.
What is somatic division?
100
Chemicals that carry messages across the synapse to the receptor sites on a receiving neuron.
What is a neurotransmitter?
200
At one end of the neuron's cell body is a long, slender extension.
What is a axon?
200
Long axons and dendrites that branch out from the spinal cord and reaches the extremities of the body.
What is the peripheral nervous system?
200
An automatic involuntary response to an incoming stimulus.
What is a reflex?
200
Deals with all the parts of the body that function involuntary without our awareness.
What is autonomic division?
200
A greater possibility that an action potential will travel down its axons and forward the message to the other neuron.
What is an excitatory message?
300
Occasional axon insulation.
What is myelin sheath?
300
Branch of psychology that seeks to identify how behavior is influenced by genetic inheritance.
What is evolutionary psychology?
300
Transmits information from the perimeter of the body to the central nervous system.
What is a sensory neuron?
300
In the autonomic division, the part that acts to prepare the body in stressful situations.
What is sympathetic division?
300
A less possibility that an action potential will travel down its axons and forward the message to the other neuron.
What is an inhibitory message?
400
Sends a message forward from the axon to another neuron.
What is a terminal button?
400
The study of the effects of heredity on behavior.
What is behavioral genetics?
400
Communicates information from the nervous system to muscles and glands.
What is a motor neuron?
400
In the autonomic division, the part that acts to calm the body after an emergency has ended.
What is parasympathetic division?
400
Neurotransmitters that are absorbed back up into the terminal button.
What is reuptake?
500
Neurons either fire or do not fire, with nothing in between.
What is all-or-none-law?
500
Connects sensory and motor neurons , carrying messages between the two neurons.
What is a interneuron?
500
The space between two neurons where the axon of a sending neuron communicates with dendrites of a receiving neuron by using chemical messages.
What is synapse?
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