1 IGCSE resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter IGCSE Subject Biology Exam board CIE TopicClear filter active transport diffusion movement in and out of cells osmosis phagocytosis Resources Crossword Flashcards Multi-tool Quizsearch movement in and out of cells IGCSE, Biology 15 flashcards Search again