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Nervous Regulation

TermDefinition
Regulation controls the amount and the direction of responses
Irritability ability of a cell to respond to its enviroment
Impulse change in momentum
Stimulus something that causes change in the environment which results in a change in an organism to then have a response occur
Response action resulting from the stimulus
Receptor specialized structures sensitive to certain types of stimuli
Neuron electrical and chemical impulses that are transmitted only along the cell membrane
Effector body parts that respond to nervous system command
Cell Body contains the nucleus and other organelles
Dendrites hair like structures that receive impulses first
Axon long thin structure that carries impulse away from the cell body to an effector or other neurons
Meninges the three membranes that line the skull and vertebral canal and enclose the brain and spinal cord
Cerebrum contains memory, thought, analyzing and the senses; major part of the brain
Cerebellum contains balance and controls all voluntary and involuntary movement
Medulla Oblongata lowest part of brain; controls many involuntary activities
Central Nervous System (CNS) protected by bones, meninges and cerebrospinal fluid; brain and spinal cord
Peripheral Nervous System (PNS) all the other neurons outside the CNS; divided into somatic & autonomic nervous system
Neurotransmitter(s) brain chemicals that allow transmission of signals from one neuron to another; hormones
Created by: ItzxVanna