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Definitions

VOCAB

TermDefinition
Regulation controls the amount and the direction of responses.it also promotes a proper coordination of responses to maintain homeostasis
Irritability Ability of a cell to respond to its environment
Impulse a sudden strong and unreflective urge or desire to act.
Stimulus something that causes a change in an organism which a response occurs.
Response action resulting from stimulus
Receptor (sense organs) specialized structures sensitive to certain types of stimuli.
Neuron the basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells.
Effector body parts that respond to the nervous system commands.They can be muscles or organs
cell body contains the nucleus and other organelles.It is the cite from metabolic activities
dendrites hair-like structures which receive impulses first
convolution : one of the irregular ridges on the surface of the brain and especially of the cerebrum of higher mammals.
axon long thin structures that carries impulse away from the cell body to an effector
reflex arc the nerve pathway involved in a reflex action, including at its simplest a sensory nerve and a motor nerve with a synapse between.
Cerebrum It contains memory,thought,analyzing and the senses.
Cerebellum It maintains balance and it controls voluntary activities and some involuntary movement
Medulla oblongata controls involuntary activities.
Central nervous system (CNS)
Peripheral nervous system (PNS)
Meninges
Neurotransmitter(s) are brain chemicals that allow transmission signals from neuron to another
Created by: UWUBT21