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SC 101
Chapter 8 through ears (Quiz 8)
41
Biology
Not Applicable
11/12/2012

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Term
parts of the CNS(Central Nervous System)
Definition
-Brain
-Spinal Cord
-Protection
Term
protection of the CNS
Definition
-meninges-3 layers of tissues
-cerebrospinal fluid
Term
Parts of nerve cells
Definition
-dendrites
-cell body-central
-axon
Term
types of a nerve cell
Definition
sensory neuron
interneuron
motor neuron
Term
glial cell
Definition
insolating neuron
Term
myelin sheath
Definition
white matter
gray matter
Term
white matter
Definition
has myelin sheath
covers axons
Term
gray matter
Definition
no myelin sheath
dendrites, cell bodies
Term
Peripheral Nervous System(PNS)
Definition
connects CNS to extremities via nerves
Term
divisions of PNS
Definition
somatic
autonomic
Term
autonomic
Definition
-don't have to think about
-CNS to cardiac muscle, smooth muscles, and glands
Term
two types of autonomic
Definition
sympathetic (fight or flight)
parasympathetic (calms things down)
Term
typical nerve pathways
Definition
includes brain
Term
five parts of reflex action
Definition
receptor
sensory neuron
interneuron
motor neuron
effector
Term
cerebrum
Definition
higher mental functioning
Term
left hemisphere of the brain
Definition
3Rs (controls right side of the body)
Term
right hemisphere
Definition
artistic (controls left side of the body)
Term
corpus callosum
Definition
both hemispheres communicate with each other through a mass of nerve fibers
Term
cerebral cortex
Definition
-outer region of the brain
-deeply grooved or convoluted
Term
cerebral lobes
Definition
frontal
parietal
occipital
temporal
Term
frontal lobe
Definition
-associated with motor control
-personality, judgement, and self control
Term
parietal lobes
Definition
-analyze sense of touch
Term
occipital lobe
Definition
sight
Term
temporal lobe
Definition
hearing, taste, smell
Term
cerebellum
Definition
coordinates muscle activity
Term
medulla oblongota
Definition
-breathing, heartbeat, blood pressure
-part of brain stem
Term
pons
Definition
-links cerebrum and cerebellum
-helps breathing, eye movements, facial expressions
-part of brain stem
Term
mid brain
Definition
coordinates movements of both eyes
Term
reticular coordination
Definition
"master switch" of the cerebrum
"tune out"-every 20 minutes
"high alert"
Term
limbic system
Definition
-thalamus-switchboard
-hypothalamus-controls unit for body's automatic systems
Term
behaviorism
Definition
a person's action can be completely explained as responses to particular stimuli
Term
proper care
Definition
nutrition
rest-REM (rapid eye movement) dream while sleeping
Term
alcohol and its effects
Definition
-depressant
-poison-acetaldehyde
-neuritis-inflammation of the nerves
-addiction-one out of every ten causes delirium
-causes accidents and crime
Term
injuries
Definition
paralysis
spinal cord and nerves
brain
Term
spinal cord and nerves injury
Definition
whiplash
sciatica
average age-19
Term
brain injury
Definition
-stroke-most common serious injury of nervous system
-concussion
-amnesia
-coma-prolonged unconscious state
Term
disease
Definition
-blood-brain barrier (not a disease)
-meningitis
-multiple sclerosis-self immune disease (diet helps)
-poliomyelitis
-tetanus
-parkinson's-keep mind active, diet
-dementia
-alzheimer's
-epilepsy-too much information at once
-cerebral palsy
Term
senses are
Definition
specialized receptors
Term
touch
Definition
-pain receptors
-mechanoreceptors-touch and pressure
-thermoreceptors-temperatures other than normal body temperature
Term
chemical receptors
Definition
-taste-taste buds
-smells-receptors to olfactory nerve
Term
hearing
Definition
-cochlea-hardest bone in the body
-semicircular canals-helps us maintain our balance
-we have 2 muscles for a reflex arch to prevent damage to the ear
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