This video covers: - What we mean by specialised cells - How a sperm cell is adapted for its function - What differentiation is - Why differentiation is important Maths Playlist:    • GCSE Maths (9-1)   GCSE Chemistry playlist: https://www.youtube.com/watch?v=fN8kH9Vvqo0 GCSE Biology Playlist: https://www.youtube.com/watch?v=--dIBinUdeU GCSE Physics Playlist: https://www.youtube.com/watch?v=aHVJfRxeAxo