some notes i have made for revision hope it helps you :)

many condenced notes on relative IGCSE biology information 

• binomial system, 
• respiration, 
• the immune system, heart,
•  lymphatic system, 
• veins and arteries,
•  blood, 
• fungi, 
• plants,
•  animals, 
• structure of ileum wall, 
• water potential,
• malnutrition, 
• teeth,
•  food tests, 
• types of foods, 
• nutrition, 
• enzymes, 
•  active transport, 
• osmosis, 
• movement in and out of cells,
•  root hair cells, 
• xylem vessels,
• levels of organization, 
• parts of cells,
•  muscle cells, 
• ciliated epithelial cells, 
• monocotyledons, 
• animal cell/ plant cell, 
• dicotyledons, 
• characteristics of the 5 vertebrates, 
• bacteria, 
• viruses,
•  nematodes, 
• mollusks, 
• classification living organisms, 
• characteristics of living organi, arthropods classes