Membrane Transport Simple diffusion(单纯扩散) Facilitated Diffusion(易化扩散) Active Transport(主动转运) Endocytosis and exocytosis(出胞与入胞)Membrane Transport ▫ Simple Diffusion（单纯扩散） ▫ Facilitated Diffusion（易化扩散） ▫ Active Transport（主动转运） ▫ Endocytosis and Exocytosis（出胞与入胞）