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Vocabulary Words
Nervous Regulation
Term | Definition |
---|---|
Regulation | process that modulates the frequency rate |
Irritability | ability that living organisms have to respond to changes in their environment |
Impulse | something that changes the momentum of an object |
Stimulus | something that causes a physiological response |
Response | adrenal glands release a hormone for you body to react |
Receptor | a protein that detects a signal molecule and performs an action in response |
Neuron | a cell of the nervous system that transmits impulses between the body system and stores messages in the brain |
Effect | A muscle, gland, or organ capable of responding to a stimulus, especially a nerve impulse |
Cell body | a neuron that contains the nucleus but does not incorporate the dendrites or axon |
Dendrites | is a branchlike extension of a neuron that receives impulses from neighboring neurons |
Axon | long extension of the neuron membrane that carries impulse from one neuron to another |
Meninges | the three membranes that line the skull and enclose the brain and spinal cord. |
Cerebrum | the largest part of the brain coordinating |
Cerebellum | part of the brain that maintains muscle movement and balance |
Medulla oblongata | lowest part of the brainstorm and containing control centers for the heart and lungs |
Central nervous system (CNS) | part of the nervous system that interprets message includes brain and spinal cord |
Peripheral nervous system (PNS) | division of the nervous system that transmits impulses between the central nervous system |
Reflex arc | nerve pathway in which an impulse crosses only two synapses before producing a response |
Neurotransmitter(s) | a chemical that transmits a nervous system signal across the synapse |