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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 |