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nervous system
anatomy
| Question | Answer |
|---|---|
| What are the three functions of the nervous system | sensory input, integration, motor output |
| what is included in the nervous system | brain spinal cord nerves |
| what are the universal listeners or receivers of neuron impulse | dendrites |
| what are the universal talkers or senders of neuron impulse | axons |
| what do we call the area where two neurons meet | synapse |
| what is the myelin sheath covering the axon of a neuron in the PNS | schwann cells |
| what are the gaps between the myelin sheath of a neuron in the PNS | nodes of ranvier |
| how do action potentials move to the next neuron | neurotransmitters |
| the lobes of the brain are found in which brain region | cerebrum |
| what separated the lobes of the brain | fissures |
| where is the thalamus located | diencephalon |
| where does the spinal cord attach to the brain | medulla oblongata |
| what three parts make up the brain stem | midbrain, pons and medulla oblongata |
| what does the cerebellum do | involuntary coordination body movements |
| what is the job of the hypothalmus | autonomic response |
| smell | olfactory |
| vision and detection of light by the pupil | optic |
| eye movement upward, downward, and inward; pupils respond to light | oculomotor |
| eye movement downward and inward | trochlear |
| facial sensation and chewing | trigeminal |
| side-to-side eye movement | abducent |
| facial expression and taste in the front two thirds of the tongue | facial |
| hearing and balance | vestibulocochlear |
| swallowing, gag reflex, and speech | glossopharyngeal |
| swallowing, gag reflex and speech; control of muscle in internal organs | vagus |
| neck turning and shoulder shrugging | accessory |
| tongue movement | hypoglossal |
| list the four lobes of the brain | frontal, temporal, parietal, and occipital |
| what's the difference between a neuron and neurogila | a neuron is a nerve cell that transmits electrical signals, while neurogila are supporting cells in the neurons system. Neurons are responsible for communication, and neurogila provide structural support and protect the neurons. Neurogila also help in the |
| how does the nervous system and another system maintain homeostasis | the nervous system and the endocrine system work together to maintain homeostasis through coordinated signaling pathways. The nervous system uses rapid, direct electrical signals neurons, while the endocrine system uses slower acting hormones released int |
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