motor nervous system (nervous system exam 4)

what are the two stuctural divisions of the motor nervous system and what are they based on?

what does the lower motor component of the motor nervous system consist of?

what does the upper motor component of the motor nervous system consist of?

what are the two functional divisions of the motor nervous system and what are they based on?

which functional system controls conscious, coluntary motor activity?

which functional system consists of motor neurons in the pre-central gyrus
--nerve fibers form the corticospinal tracts

which functional system descends without synapsing to the spinal cord
--a single neuron from brain to spinal cord level of exit

which functional system controls subconscious, voluntary motor activity
1. muscle tone
2. automatic expressions
3. emotional expressions

which functional system consists of motor neurons in basal nuclei and reticular formation?
1. nerve fibers form other motor tracts such as:
a. rubrospinal
b. tectospinal
c. vestibulospinal
d. reticulospinal
2. actions of these motor nuclei controlled by motor neurons of cerebral cortex

which functional system has 2 neurons from cerebral cortex to spinal cord?
1. 1 from cerebral cortex to basal nuclei or reticular formation
2. second neuron from nuclei to spinal cord