Pob txuv yog tshwm sim los ntawm ntau yam, uas cuam tshuam nrog kev noj haus, ib puag ncig, endocrine, lub neej thiab kev tu tawv nqaij.Yog li ntawd, kev kho mob dav dav yog pom zoo rau cov pob txuv nruab nrab thiab hnyav (tswj kev noj zaub mov, kho kev pw tsaug zog, kho cov tawv nqaij barrier, tshuaj hauv qhov ncauj, tshuaj pleev ib ce, kho lub cev thiab ...
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