GCSE Biology Unit 3 Keywords Quiz AQA GCSE Biology quiz on the keywords. 4.0 / 5 based on 1 rating ? BiologyGCSEAll boards Created by: lucyCreated on: 17-05-12 18:51 What's Active Transport The movement of substances against a concentration gradient. 1 of 10 What's Aerobic Respiration with oxygen 2 of 10 What's Anaerobic Respiration Without oxygen 3 of 10 What are Alveoli Air sacs in the lungs where gaseous exchange takes place. 4 of 10 What's Biogas A fuel produced from the anaerobic decomposition of organic waste. 5 of 10 What does dilate mean and where does it occur to widen or enlarge. Occurs in the arteries 6 of 10 What's haemoglobin's job To carry oxygen to the organs 7 of 10 What's Irradiation exposure to radiation to kill microorganisms 8 of 10 Lactic acid is produced when cells respire... Anaerobically (without oxygen) 9 of 10 Where are Villi present In the small intestine 10 of 10
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