Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Anatomy Ch. 9
Structure of the Nervous System
| Question | Answer |
|---|---|
| the human nervous system is formed of two components that work together to coordinate _________________. | body functions |
| information from the environment is transmitted to the __________ by nerves of the PNS. | CNS |
| within the _________, this information is integrated into a reflex or cognitively processed by the brain | CNS |
| specialized regions of the brain interpret ______________information | sensory |
| the brain uses sensory information to formulate a ________________ | response |
| responses of the brain are channeled to the body through either the _______________ or the ________________nervous system | autonomic, somatic |
| special sensroy receptors in the ___________ add to variety of environmental stimuli that the body recieves | head |
| ____________are bundles of neurons | nerves |
| ____________nerves carry sensory information | afferent |
| ____________nerves carry motor information | Efferent |
| The __________ is composed of the brain and spinal cord | CNS |
| the spinal cord corrdinates refleces and singals to and from the __________ | brain |
| the _________ is composed of somatic nerves, autonomic nerves, and ganglia | PNS |
| the autonomic nervous system is divided into the _______________ and _______________ nervous systems | parasympathetic, sympathetic |
| the special senses are concentrated in the ___________ | head |
| chemoreceptors on the tongue sense taste (______________) | gustation |
| chemoreceptors in the nose sense smell (_____________) | olfaction |
| Photoreceptors in teh retina of the eye sense light (_____________) | vision |
| ______________are color photoreceptors, and _________detect dim light | cones, rods |
| neurons in the __________sense sound vibrations (hearing) | cochlea |
| neurons in the semicircilar cancals and vestibule sense _____________ (equilibrium) | position |
| aging is accompanied by some neuron loss in the _____________ | brain |
| the ___________loses weight as a person matures | CNS |
| most brain aging is due to loss of ______________ and decreased blood flow. | myelinization |
| most people show a ____________ in complex brain functions as they age. | decrease |
| ________________ and ________________ compensate for neuron loss in the CNS | plasticity, redundancy |
| sensory structure thresholds _____________ with age. | increase |
| the nervous system develops from a dorsal cylinder of ectoderm called the ______________ | neural tube |
| a_______________is a clump of nerve cell bodies covered by a sheath. they are found outside the CNS | ganglion |
| _____________nerve tracts carry sensory information to the brain | ascending |
| _____________nerve tracts carry motor information from the brain to the body | descending |
| ___________nerves are responsible for carrying sensory and motor information between the brain and the body | spinal |
| the ______________nervous system is responsible for involuntary functions | autonomic |
| the ______________nervous system is associated with voluntary functions | somatic |
| humans have _______pairs of cranial nerves and _______pairs of spinal nerves | 12, 31 |
| Nerve cell bodies are most likely found in the: ____________ | gray matter of the spinal cord |
| the innermost layer of the menings is the ____________ | pia mater |
| cerebrospinal fluid is found in the ___________________ | ventricles |
Created by:
Lauren G.
Popular Anatomy sets