2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tsaus adaptation . Tsaus adaptation , los yog lub peev xwm ntawm lub qhov muag los ua ntau pom kev rhiab tom qab nyob rau hauv tsaus ntuj rau ib lub sijhawm, ncua hauv cov neeg laus. Ib qho laj thawj rau qhov kev hloov pauv qhov muag pom yog qhov me me, meotic cov menyuam kawm ntawv, uas txwv cov teeb pom kev mus txog ib puag ncig ntawm lub qhov muag.
Ntawm no, dab tsi yog qhov hloov pauv ntawm qhov muag?
Tsaus Adaptation . Cov qhov muag ua haujlwm ntau ntau ntawm cov teeb theem. Yog li ntawd, kev hloov kho tsaus nti hais txog yuav ua li cas qhov muag recovers nws rhiab heev nyob rau hauv lub tsaus ntuj tom qab raug lub teeb ci.
Tsis tas li ntawd, qhov twg hauv qab no yog lub luag haujlwm rau kev hloov mus rau qhov tsaus ntuj? Rhodopsin yog photopigment siv los ntawm cov pas nrig thiab yog tus yuam sij rau hmo ntuj pom kev . Lub teeb hnyav ua rau cov xim no ua rau txo qis kev nkag siab rau lub teeb ci. Kev tsaus ntuj ua rau cov molecules rov tsim dua hauv cov txheej txheem hu ua "kev hloov pauv tsaus" uas lub qhov muag kho kom pom nyob rau qhov teeb pom kev qis.
Kuj nug, dab tsi yog qhov kev hloov kho tsaus nti hauv kev puas siab puas ntsws?
Kev txhais ntawm kev hloov kho tsaus nti .: cov txheej txheem suav nrog kev nthuav dav ntawm cov menyuam kawm ntawv, nce qhov rhiab heev ntawm cov retinal rods, thiab rov tsim dua ntawm rhodopsin uas lub qhov muag hloov mus rau cov xwm txheej ntawm kev txo qis.
Ntev npaum li cas kev hloov pauv tsaus ntuj nyob hauv lub cones?
Cov Lub khob hliav qab hlwb yoog raws tsis pub dhau 10 feeb tab sis tom qab ntawd yog tau dhau los ntawm kev ua tau zoo los ntawm cov qia hlwb. Lub cev qws tau ob peb teev kom ua tiav tsaus hloov thiab mus txog lawv qhov siab rhiab heev rau cov teeb pom kev qis.
Pom zoo:
Yam twg ntawm cov hauv qab no yog qhov hloov pauv hloov pauv tau rau kev mob pob txha?
Yam yuav hloov pauv tau yam muaj xws li: Dej cawv. Kev haus luam yeeb. Low Body Mass Index. Kev noj zaub mov tsis zoo. Vitamin D tsis txaus. Kev noj zaub mov tsis zoo. Estrogen tsis muaj peev xwm. Kev tawm dag zog tsis txaus
Qhov kev hloov pauv twg yuav ua rau hloov mus rau sab laug hauv cov pa oxygen hemoglobin khi nkhaus?
Cov pa -hemoglobin kev sib cais sib cais tuaj yeem txav chaw xws li qhov kev sib raug zoo rau cov pa oxygen tau hloov pauv. Cov yam ntxwv uas hloov qhov nkhaus muaj xws li kev hloov pauv hauv cov pa roj carbon dioxide concentration, ntshav kub, ntshav pH, thiab cov concentration ntawm 2,3-diphosphoglycerate (2,3-DPG)
Dab tsi yog lo lus siv rau kev zais ntawm cov qog endocrine lub luag haujlwm rau kev hloov pauv hauv lub cev?
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Dab tsi yog ntu ntu ntawm theem ntawm kev hloov tus cwj pwm raws li theem ntawm kev hloov pauv qauv?
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Kev hloov pauv hloov pauv hloov pauv ntawm cov khoom nruab nrog nruab nrab ntawm ob tsev neeg, uas tsis tuaj yeem pub khoom nruab nrog cev rau lawv tsev neeg vim yog pawg ntshav tsis sib haum. Qhov no yog nyob rau hauv kev nkag siab 'khub pauv'