Revision materials for teachers of Biology/Human Biology.*1*CELL ACTIVITY*2*Plant Cells vs. Animal Cells*4*Cells, Tissues, Organs and Systems*4*Osmosis*4*Specialised Cells*4*Diffusion*4*Cell Division*4*Summary*1*GREEN PLANTS AS ORGANISMS*2*Photosynthesis*4*Transport and Water Relations*4*Plant Hormones*4*Summary*1*LIVING THINGS IN THEIR ENVIRONMENT*2*Competition and Adaptation*4*Global Warming*4*Carbon and Carbon Cycle*4*Impact of Humans*4*Energy Transfer*4*Nitrogen Cycle*4*Summary*1*GENETICS AND DNA*2*Genes*4*Cloning*4*Variation and Mutation*4*Alleles*4*Evolution*4*Summary*1*HUMANS AS ORGANISMS*2*Food, Nutrition and Digestion*4*Breathing and Respiratory System*4*Nervous System*4*Homeostasis*4*Heart and Circulatory System*4*Skin Experiments*4*Hormones*4*Maintaining Health*4*Summary*1*POLYMERISATION OF AMINO ACIDS*2*