Assertion: nervous system's nerve | /r/CapableOf | serve extensor muscles
Facets:
Source sentences:
text: The axillary nerve serve the deltoid muscles and skin of the shoulder, muscles, and skin of superior thorax; the r adial nerve serves the triceps and extensor muscles of the forearm, and the skin of the posterior upper limb; the median nerve serves the flexor muscles and skin of the forearm and some muscles of the hand; the musculocutaneous nerve serves the flexor muscles of arm and the skin of the lateral forearm; and the ulnar nerve serves some flexor muscles of forearm; wrist and many hand muscles, and the skin of the hand.