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Show XUti U6t,S v t Al, iRiix fsUhb mediator tietween mtndand body, nnd ever keepi thSfbrmer Informed nS torwhit ahoald lc songlit aUd what avoided "for ifie b'diitfit of 'the Jattcr. Rain nclsjrersoasivcly.niul Iiiip:rittlvely. ritrsuaslvety by.Uie'nutnerbi IfttTe nbeasy sensStlbus'wliicnnfocoustai).ttypinptfiig' us to action. fc IliiperutltVly by tn iVgony Mfhieh causes iiistaht uction. For es nmplc, jf tt person ha" to' sit for any leifgtti of time, and especially, If the, seat bo hardhC will 'be p oticij'd'icoustanHytP siilft; Ins position., Thistalfes ,plate"in tain unehRy'sStt'ftUlQns whidti lelUiitaiIiaf he has' beeif prcssftig 'sufllcienUy' fomj oti oho Krtiou'of ilte'"integtin6nt "jr.lljtw proinntingn were not atteiilHii tojliifli'inma-tio'tf tojliifli'inma-tio'tf wo'ultt cotno tm, and paiii would then act Iroj'era't'Ivelyt nnd'cbnijAf f'lim'to mPycj Hot supposing palo'lp" ba aHugUier nlP sciitj then, there woimTbu nbthlug tu prc-reht prc-reht lis from sitting till; bur bones, "cauio through an awfutslate of matters, which docs occurln slave, ship, where the poor rictfms are packed for "a "loiig time tu a sitting; posture on the hard decki. Fain "never acts imperatively withoute good reason. Its promptings arc at, .first so geiitlu that they may bo often overlooked. overlook-ed. Hunger and thirst come on so gtiidui ally that they may be endured -tar spm0. time, without suffering. There are many uneasy sensations which are sufficient to produce the desired eifect without producing produc-ing iictual pain, such as Itching, tickling, pius sod needles, Ac.: bat if a portion of food gets into tho windpipe, pain interferes inter-feres promptly, and imperatively the Dffcndlng substanra is' coughed tip, 'and the (wrsou rescued from death. If anything any-thing hot Is lifted by mistake, puln Insists upon tho hold being immediaiely relaxed, and thus a useful hand is preserved. The uses of pain may bu divided into Frevcn-(ive. Frevcn-(ive. Remedial, and RclributTvo. Thcpreventlvp use of pain '(.displayed in' hundreds of different ways. A strong light, or ihefO'iK-crfatinuednseofthdcye, rouses suffjeieot pain to prevent 'the iudi-riduelfromlnjnrtogso iudi-riduelfromlnjnrtogso important on prgaii. Di.'gusHng'smelIs have the effect, bf pte-rentiug pte-rentiug Uccleanlincss; they malio'u's nvofd unwholesome, fbed, impure d(liiks and pestileutiaCntmospheres. 1 . !" The sense of ta&to teaches usswhat not to eat; an instance of the urcessity of wlilth, for ibd.prcVcuiioh of miscliiel, ,We here girt: f .An old woman,, who wasfast failing, gnthrriufj a salad for dinner, mixed wit tilt by mistake some monkshood, She and her husband, who nlsowasvury old, both partook pf tho poisonous plant and died a few hours after. .From extreme uge they had lost their sense .of taste, and consequently they did not tliscovtr the acrid tusto,, which was recognize by the young female servant in their employ; on'd which In her case had (be effect of preventing prevent-ing her death. If it were uot for tne pain fill sensation pf hunger, Wlmt would pre-ventlazr pre-ventlazr people from lending a life of hllenesslf i Heat, up' to a certain tcmptrataru. Is pleasaut If it were not for the" pain which Ulls'us wlin it U becoming hann-fu hann-fu to the body, hat wouhl present lis froni roastu;f ourselvesT People, with panilyzd legs have been kuown. tor bum themselves to a frightful extent without being; awary ot It, Dr. Carpenter gives the case of a drover who veant to sleep over a newly-lit limekiln. lime-kiln. During the night, the part of the brick-work pt which one uf his feet rested, became red hot and horned it to a cinder, be having been lulled Into unconsciousness by the carbonic acid gas, Wijeu he was awoke la the morning, unconscious of the injury he hod received, be placed the foot to the grodnd, and U crumbled into fragments. frag-ments. The sense of palu was annihilated here, and cocsequsntly there was nothing tt jfrtveat the o&artfeace of tis Injcry. |