Respuesta :
small, uncharged substance enter and leave the cell membrane through the process of : Simple diffusion
When a substance enter pass your cell membrane, it will filter up the uneeded substance to be excreted out from your body and letting the one that needed in by leveraging the thickness of the substances concentration
Answer:
Simple diffusion is the process by which some atoms and molecules move directly across the cell membrane from an area of high concentration to an area of low concentration.