Collagen, a fibrous protein found in co ective ti ue, bone and cartilage, basically holds the body together.
Collagen, a fibrous protein found in co ective ti ue, bone and cartilage, basically holds the body together.
胶原蛋白是存在于结缔组织、骨质和软骨中的纤维蛋白质，它的基本作用是将人体各组织结合在一起。