organ system - answer group of organs that work together to perform a specific
function
3 most prominent organ systems responsible for human movement - answer skeletal
muscular
nervous
the most import of the 3 systems in movement - answer nervous
nervous system - answer tissue found in brain, spinal cord, and nerves that
coordinates body activities
neurons - answer Individual cells in the nervous system that receive, integrate, and
transmit information.
neuroglia - answer cells in the brain and spinal cord that form a supporting structure
for the neurons and provide them with insulation
neurosecretory tissues - answer neurons that translate neural signals into chemical
stimuli
cell body - answer core and central structure of a neuron containing a nucleus and
other specialized organelles that aid in nervous system function
axon - answer thin tail like structure of a neuron that generates and conducts nerve
impulses
dendrites - answer rootlike structures branching out from the cell body that receive
and process signals from the axons of other neurons
sensory neurons - answer send info to the brain and spinal cord in response to
tactile, auditory or visual stimuli
motor neurons - answer receive info from the brain or spinal cord to produce
muscular contractions or activate glands
interneurons - answer nerve cells that connect neurons to other neurons
cerebrum - answer part of cns
largest part of brain
2 hemispheres
, responsible for receiving and processing sensory info and controlling the body
Cerebellum - answer region of the brain that coordinates body movements
brain stem - answer The "trunk" of the brain comprised of the medulla, pons,
midbrain, and continues downward to form the spinal cord
cerebral cortex - answer part of the brain where most neural integration occurs
midbrain - answer brain region responsible for motor movement and processing
auditory and visual info
pons - answer brain region responsible for posture, facial movement, and sleep
medulla oblongata - answer the base of the brainstem; controls heartbeat and
breathing
thalamus - answer the brain's sensory switchboard, located on top of the brainstem;
it directs messages to the sensory receiving areas in the cortex and transmits replies to
the cerebellum and medulla
regulates consciousness
decussation - answer the point where a contralateral tract crosses from left to right
(or right to left) located between the medulla oblongata and the spinal cord
frontal lobe - answer brain lobe involved in motor control, emotion, and language
Motor cortex (frontal lobe) - answer region of the frontal lobe that plans and
coordinates movement
prefrontal cortex - answer part of frontal lobe responsible for thinking, planning, and
language
parietal lobe - answer brain lobe involved in processing sensory information
somatosensory cortex - answer region of the parietal lobe responsible processing
sensations like pain, temp and touch
temporal lobe - answer lateral lobe of the brain responsible for hearing, memory and
emotion
auditory cortex - answer region of the temporal lobe responsible for hearing
occipital lobe - answer posterior lobe of brain responsible for vision
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