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.