17 slides on the Sexual Reproduction section of Biology iGCSE Includes: Homunculus Theory Female and Male Reproductive System Gametes Fertilisation Placenta Menstrual Cycle Questions to be answered. Some slides are very text heavy so may want to alter to be more suitable for a class lesson. I used this for a one on one session.

21 Slides on the excretion / homeostasis / waste component of the Biology iGCSE Covers: Knowledge check Excretion Urea, Urine formation Kidneys Nephrons Homeostasis Glucose levels Questions to answer

11 Slides on the Reproduction in Plants unit of Biology iGCSE Covers: Sexual and Asexual reproduction Pollen grains and ovules Questions to be answered