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Sn-keng s teh ch-chi sin-th so-chi chok-ing ki-koan, hun che:1. Tiong-chhu-kh-koan (, central nervous organ).2. Than-t-kh (, conducting nerves) .3. Chiong-kh (, end organs) .

1. 2. Tiong-chhu-kh-koan chi-s nu-chh (, brain), kap chek-chh (, spinal cord), che sn-keng tiong-ng chng-h; s-sing teh si seng-khu tak so-chi chin che chh-kek (, stimulus), koh-chi kng bng-lng ku kun-bah, h i e thn i -s.

1. 2. Than-t-kh s sn-keng-chhiam- li chi-, (-s ki-che nu-kun, nu-sa, nerve). T chiah- tiong-kan - than chh-kek ku tiong-chhu-kh, - sng bng-lng ku b-liu, chhin-chhi tin-sn-sa khan

Chiong-kh s chhin-chhi tak so-chi siat t-hng thia, li km-si kik-p chh-kek. Chiah- chh-kek s chhin-chhi peh-s jiu-lan -s hoa-h, -s i-tioh sm-mih ti-ch beh jp pn; i chh-kek, seng ku thia, chi-s chiong-kh; chiah keng-k than-t-kh, chiah sng ku tiong-chhu-kh. Chiong-kh s teh che chit h l-ng, chhin-chhi ngo-koan-kh hit khan-.

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1. Ta-nu 2. Tiong-nu 3. Si-nu 4. In-chh

Chit ch-i pa-ki tiong-ng, chit tiu tit-tit lih-phngchng-s hit phng m-s keh-tng, s che-che sn-keng-ch-chit sa lin-tehNu-chh sn-keng-se-pau sn-keng-chhiam- kap sn-keng-chhiam- tiong-kan kiat-lin ch-chit

Nu-chh ti ga-bn li kha, che-che he-hn khut-khut khiok-khiokt it chhim- chha-put-to chit chhn chhim kok lng nu-chh hn iah b sio-tng.E- hn khah b chhim iah b sm-mih bng; ku tiong-lin chi khah-bng.

Tiong-nu t tng-bn kap ta-nu kiat-lin; t u-bn kap si-nu kiat-lin; -te kap in-chh kiat-lin; so- -s mi ki-che nu-ki

Nu ga-bn s h-hu-sek ch-chit, li-bn s peh ch-chit.T nu-li g khang, mi ki nu-sek. T nu-sek-li nu-chek-chh-ek

Sio-nu s t ta-nu u-bn -p, ch-i si-nu-pa-ki li chi-.

Sio-nu tng-bn-p, kiat-lin t tng-bn ch-chit, beh kh ta-nu so-chi. Si-nu tiong-ng-p, kiat-lin t tiong-nu; -bn-p, kiat-lin t in-chh. Chit kiat-lin ch-chit, ki che si-nu-kha

In-chh s chek-chh kap tiong-nu chiap-lin so-chi, s chha-put-to chit chhn tng.,Sn-keng-chhiam- ti nu-chh thu ti -bn, ku in-chh

T in-chh s, chiah sn-keng sio phah, hun ti -bn lh-li; t t-png- ki ti i-png kh, t i-png- ki ti t-png kh.So- n t-png nu si-siong, chi chi-png seng-khu pan-sin-put-si()

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Lng n-luLng n khah pi, m-kn t Sn-chng pTa-p-lng khah-cheTng-meh p

-s chiah-p, -s chhut ta latH-khip bn koh ta sia.Tng-khng-sn-tichan-sin-b-p, -s pan-sin-b-p, -s kiok-p-b-p.

Ti-, siu-pin tioh ch-.eng-kai tioh khn chhi-leng-jiok-Se bak-chiung li-tng-sng sit-but

kap

Khn, s sn-keng ti-tioh s-kchit- s t nu-li huih-kg sok-a, h nu-li huih khah chi, h nu chim-s pn-huih teh che kang -s thok-chheh, b l-ng mih chhin-chhi tha-sng, chek-ch t i seng-khu-l

Sian-thian-sng i-than. P-b nu lat n put-chiokpng-s-k-to, k l, chiah chi, han-l k-thuH-thian-sng. Lng n chip-ching ng nu lat chin che chit-giap

Khn be loh bn, i bng, che ti-ch khai it-tioh ti-ch chin kia, sim-koa phok-phok-chhng-s bak-chiu b, kha chhi sng-ng, b lat.

Chim-s thng-ch i chit-giap li hioh-khnChioh chu-ing sit-but, kap king-chng-che

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