Sinkefng-hexthorng

Toxngbut ee sinkefng-hexthorng (神經系統 ; nervous system ) si eng laai hiabtiaw kinbaq (muscle) ee oaqtang, zektog khiekoafn (organ) ee uxnzog, safnsefng iah thengcie tikag (sense), høxleng sinthea hengtong (action). Sinkefng hexthorng zwiaux u sinkenggoaan (neuron) kab sinkefng.