For students who study Edexcel A-Level Biology. A 26 slide PowerPoint presentation topic 1: lifestyle health and risk. These notes allowed me to get a grade A at AS biology. Includes: open and closed circulatory system single and double circulatory system structure of the heart the cardiac cycle blood vessels (arteries, veins, capillaries) atherosclorosis blood clotting carbohydrates (monosaccharides, disaccharides, polysaccharides) water and its properties lipids (saturated and saturated) cardovascular disease (risks, treatments) blood cholesterol diet and energy

EDEXCEL AS/A-Level Biology Topic 3 the voice of the genome A PowerPoint presentation containing 15 detailed slides Allowed me to get a grade A at AS biology Includes: organelles eukaryotic and prokaryotic cells protein transport fertilisation the cell cycle mitosis meiosis stem cells and specialised cells stem cells in medicine