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nervous system sg
| Question | Answer |
|---|---|
| what are 3 functions of the nervous system | sensory input, integration, motor output |
| what is included in the nervous system structurally | brain, spinal cord, nerves, sensory receptors |
| what are the universal listeners or receivers of neuron impulse | axons |
| what are the universal talkers or senders of neuron impulse | neurons |
| 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 te myelin sheath of a neuron in the pns | nodes of ranvier |
| how do action potentials move to the next neuron | releasing neurtransmitters |
| the lobes of the brain are found in which brain region | cerebrum region |
| what separated the lobes of the brain | fissures |
| where is thalamus located | brain in diencephalon, above brainstem |
| where does the spinal cord attach to the brain | foramen magnum |
| what 3 pats make up brainstem | midbrain, pons, medulla |
| what does the cerebellum do | coordinate balance, movement, posture |
| which divisions o the ans is in charge of fight or flight | sympathetic nervous system |
| smell | olfactory |
| vision | optic |
| eye movement up down in, pupils respond to light | oculomotor |
| eye movement down and in | trochlear |
| facial sensation, chewing | trigeminal |
| lateral eye movement | abducent |
| facial expression | facial |
| hearing and balance | vestibulocochlear |
| swallowing, gag reflex, speech | glossopharyngeal |
| swallowing, gag reflex, speech, control of muscle in internal organs | vagus |
| neck turning shoulder shrug | accessory |
| tongue movement | hypoglossal |
| 4 lobes of brain | frontal, parietal, temporal, occipital |
| whats the diff between neurons and neuroglia | neurons are primary cells, neuroglia supports neurons |
| how does the nervous system and another system maintain homeostasis | it uses electrical and chemical signals to coordinate body functions. the endocrine system use hormones to regulate processes |
Created by:
Cthomas6