Collagen ndi chinthu chofunikira kwambiri m'thupi lathu laumunthu, chomwe chimapezeka mu minofu monga khungu, fupa, minofu, tendon, cartilage ndi mitsempha ya magazi.Ndi kukula kwa msinkhu, collagen imadyedwa pang'onopang'ono m'thupi, kotero kuti ntchito zina za thupi zidzafooka.Monga...
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