Furthermore, many epithelial cells of the mucous membranes contain cilia that actively remove microorganisms.
Furthermore, many epithelial cells of the mucous membranes contain cilia that actively remove microorganisms.
而且一些粘膜表面的上皮细胞含有纤毛能除去微生物。
Furthermore, many epithelial cells of the mucous membranes contain cilia that actively remove microorganisms.
而且一些粘膜表面的上皮细胞含有纤毛能除去微生物。