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.