Assertion: frontal lobe's motor cortex | /r/HasProperty | primary
Facets:
Source sentences:
text: They are the primary motor cortex, the supplemental and premotor cortex, and the prefrontal cortex.
text: It is separated from the parietal lobe by the primary motor cortex, which controls voluntary movements of specific body parts associated with the precentral gyrus.
text: The frontal lobe also contains the primary motor cortex, the major region responsible for voluntary movement.
text: The frontal lobe contains the primary motor cortex.