Video: Cov zaub mov twg yog khaws cia hauv cov pob txha quizlet?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov nqaij pob txha khaws ntau cov ntxhia, tshwj xeeb calcium thiab phosphorus , uas pab txhawb lub zog pob txha. Cov nqaij pob txha khaws cia txog 99% ntawm lub cev calcium.
Kuj paub yog, cov zaub mov twg khaws cia hauv cov pob txha?
Ntxiv rau nws cov haujlwm ua haujlwm, cov pob txha yog cov khoom siv rau cov zaub mov ("ua haujlwm" metabolic). Cov pob txha khaws 99% ntawm lub cev calcium thiab 85% ntawm phosphorus. Nws yog ib qho tseem ceeb heev uas yuav tsum tau ceev cov ntshav ntawm calcium nyob rau hauv qhov nqaim.
Ib sab saum toj no, cov ntaub so ntswg twg ua haujlwm khaws cov calcium thiab ua lub chaw tsim cov qe ntshav? Cov pob txha muaj ntau kev ua haujlwm . Lawv txhawb lub cev yam ntxwv, tiv thaiv peb lub cev tseem ceeb, thiab tso cai rau peb txav mus los. Tsis tas li ntawd, lawv muab ib puag ncig rau pob txha pob txha, qhov twg cov qe ntshav yog tsim, thiab lawv ua ua qhov chaw cia rau cov zaub mov, tshwj xeeb calcium . Thaum yug los, peb muaj kwv yees li 270 pob txha mos.
Ib tus kuj tseem yuav nug tau, ob yam ntawm cov pob txha yog dab tsi?
Cov pob txha suav nrog cov xov tooj ntawm tes nyob hauv cov mineralized organic matrix. Cov lej no suav nrog cov khoom siv organic, feem ntau yog hom I collagen - "organic" hais txog cov khoom tsim los ntawm tib neeg lub cev - thiab cov khoom tsis haum, feem ntau yog hydroxyapatite thiab lwm yam ntsev ntawm calcium thiab phosphate.
Qhov twg lub cev ntawm lub cev yog lub ntsiab cia rau ntau cov zaub mov tshwj xeeb tshaj yog calcium thiab phosphorus?
Cov pob txha ua tsib yam lub ntsiab functions rau cov lub cev : Muab kev txhawb nqa: Lub cev pob txha qhov system muab kev txhawb nqa rau tag nrho lub cev . Cov pob txha ib leeg lossis pab pawg pob txha muab lub hauv paus rau kev sib txuas ntawm cov nqaij mos thiab lub cev. Khw cov zaub mov thiab lipid: Calcium yog qhov ntau tshaj ntxhia hauv lub cev.
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Ntxiv nrog rau nws cov khoom siv kho tshuab, cov pob txha yog ib qho dej rau cov zaub mov (ib qho 'metabolic' muaj nuj nqi). Cov pob txha khaws 99% ntawm lub cev cov calcium thiab 85% ntawm phosphorus. Nws yog ib qho tseem ceeb heev kom ua kom cov ntshav cov calcium nyob hauv qhov nqaim