Peb txhua tus yuav tsum tau hnov cov lus hais tias tib neeg lub cev feem ntau yog dej. Koj puas tau xav txog vim li cas qhov no yog li ntawd? Vim li cas peb thiaj li xav tau cov kua dej ntau thiab feem ntau, dej ua haujlwm hauv lub cev li cas?
Properties
Dej muaj cov khoom nram qab no:
- ua ntej ntawm tag nrho nws yog cov kuab tshuaj zoo (rau cov as-ham thiab tshuaj lom);
- fluidity;
- muaj peev xwm ua kom sov thiab thermal conductivity;
- yuav evaporate;
- muaj peev xwm ntawm hydrolyzing lwm yam tshuaj (piv txwv li, cov tshuaj decompose nyob rau hauv nws qhov kev txiav txim los yog faib rau hauv nws).
Ua tsaug rau cov khoom siv no, dej ua haujlwm ntau yam tseem ceeb hauv lub cev ntawm txhua tus neeg nyob. Cia wb mus saib lawv.
Kev ua haujlwm ntawm dej hauv lub cev
Tib neeg lub cev yog nyob nruab nrab ntawm 75% dej. Hmoov tsis zoo, qhov piv txwv no txo qis nrog hnub nyoog.
Dej, yog cov khoom tseem ceeb ntawm tag nrho cov kua hauv lub cev, tshwj xeeb tshaj yog cov ntshav, uas muaj ntau dua 90% ntawm nws, ua cov haujlwm tseem ceeb hauv qab no:
- tswj lub cev kub;
- tshem tawm cov co toxins, co toxins thiab khoom pov tseg;
- thauj khoom noj khoom haus thiab oxygen;
- -O-Kev haus luam yeeb thiab kev zom zaub mov;
- thauj khoom muaj nuj nqi;
- poob siab absorbing pob qij txha thiab tiv thaiv kev sib txhuam;
- tuav cov qauv ntawm tes;
- tiv thaiv cov ntaub so ntswg thiab cov kab mob hauv nruab nrog cev;
- txhim kho metabolism.
Lub luag haujlwm ntawm cov dej hauv cov txheej txheem ntawm thermoregulation yog los tswj lub cev qhov kub thiab txias ntawm qib cellular los ntawm evaporation thiab tawm hws. Vim nws muaj peev xwm nqa tau ib tug txaus cua sov, noo noo, circulating nyob rau hauv tib neeg lub cev, coj nws nyob rau hauv qhov chaw nws yog ntau tshaj thiab ntxiv nws qhov twg nws tsis txaus.
Shock-absorbing dej hauv lub cev yog muab vim nws cov ntsiab lus siab hauv cov kua dej synovial ntawm cov pob qij txha. Qhov no tiv thaiv kev sib txhuam ntawm cov pob qij txha thaum muaj kev ntxhov siab thiab kev ua haujlwm ntawm cov pob qij txha, thiab kuj yog ib qho kev tiv thaiv tsis zoo tiv thaiv kev poob thiab raug mob.
Dej ua haujlwm ntawm kev thauj cov khoom tsim nyog vim nws qhov chaw siab. Yog li, nws tuaj yeem nkag mus rau txhua qhov chaw, txawm tias mus rau hauv qhov chaw sib txuas, xa cov khoom noj tsim nyog rau hauv nruab nrog cev thiab cov ntaub so ntswg thiab tshem tawm lawv cov khoom pov tseg.
Nws feem ntau lees paub tias cov dej haus ncaj qha cuam tshuam rau kev puas siab puas ntsws ntawm tib neeg. Lub cev qhuav dej hem tsis tsuas yog nrog kev tawg,lub zog, qhov tsos ntawm mob taub hau thiab kiv taub hau, tab sis kuj txo qis hauv kev ua haujlwm, nco thiab muaj peev xwm mloog zoo rau cov ntaub ntawv tsim nyog.
Tsis tas li, vim tias muaj hnub nyoog cov dej ua ib feem ntawm lub cev txo qis, cov kws tshawb fawb xav tias muaj kev sib raug zoo ntawm cov kua dej thiab cov txheej txheem kev laus. Yog li ntawd, cov neeg laus yuav tsum ceev faj tshwj xeeb txog lawv cov dej haus.
Nyob rau xyoo tas los no, kev ua haujlwm ntawm cov dej hauv kev tiv thaiv ntau yam kab mob, suav nrog mob qog noj ntshav, tau sau tseg ntau zuj zus. Nws ntseeg tau tias cov kua ntau dua peb haus, nws raug tso tawm ntau dua, thiab nrog nws cov kab mob, lawv cov khoom pov tseg, co toxins thiab carcinogens, uas tuaj yeem ua rau lub caij nplooj ntoo hlav rau kev loj hlob ntawm qog noj ntshav.
Yog li, txhua txoj haujlwm ntawm dej yog qhov tseem ceeb rau kev ua haujlwm ntawm txhua lub hauv nruab nrog cev thiab lub cev thiab kev ua neej zoo thiab noj qab haus huv.
Ntxhais tab sis muaj tseeb
Qhov dej tsawg dua los ntawm sab nraud, qhov ntau nws nkag rau hauv. Qhov no txhais tau tias yog tias koj siv cov kua dej tsis tu ncua thiab tsis txaus, tom qab ntawd lub sijhawm tom ntej koj tau txais nws, lub cev khaws dej, khaws cia zoo li khaws cia. Yog li, ib tug neeg tsis tsuas yog tus kheej nthuav tawm nws tus kheej mus rau ntau yam kab mob, tab sis kuj nce qhov hnyav dhau.
Thawj qhov teeb meem uas koj lub cev muab txog qhov tsis muaj dej yog qhov paub zoo tias qaug zog. Yog tias koj tsis tau them nyiaj rau lub cev tsis muaj dej, tom qab ntawdib tug neeg pib hnov mob hauv pob qij txha thiab tsis xis nyob hauv pob txha. Cov tshuaj lom nyob rau hauv lub cev, kev tiv thaiv kab mob txo qis, thiab ib tug neeg yuav kis tau kab mob ntau dua, tshwj xeeb tshaj yog cov kab mob sib kis.
tseem ceeb
Koj yuav tsum haus 1.5-2 litres dej ib hnub. Kev noj cov dej tsis tu ncua yuav ua rau koj xav tias muaj zog thiab muaj zog, cov txheej txheem zom zaub mov yuav txhim kho, mob taub hau thiab lwm yam tsis xis nyob yuav tsum tsis txhob thab koj. Tsis yog koj yuav zoo xwb tab sis koj yuav saib zoo dua.
Nws pom zoo kom haus ib khob dej ntawm lub plab khoob. Thaum nruab hnub, tus nqi txhua hnub yuav tsum tau muab sib npaug. Nws yog qhov zoo dua los haus dej tsis muaj carbonated thiab chav tsev kub.
Zoo kawg
Lub luag haujlwm ntawm dej hauv tib neeg lub cev muaj ntau yam thiab ntau. Yog li ntawd, tsis txhob tso tseg xws li ib feem tseem ceeb ntawm koj cov khoom noj. Haus dej kom ntau thiab noj qab nyob zoo!
