B3 0.0 / 5 ? BiologyHealthy livingGCSEAQA Created by: Kevin O.Created on: 20-01-20 12:16 What is tissue? A group of cells with a similar function and structure 1 of 15 What is an organ? A collection of tissues working together to form a specific function 2 of 15 How long is the digestive system? 6-9m long 3 of 15 What is the liver and it's function? The liver breaks down insoluble large molecules into smaller soluble molecules and absorption 4 of 15 What is the stomach and it's function? Absorbs water from undigested food 5 of 15 What do the small and large intestines do? Small produces bile, Large breaks down large molecules 6 of 15 What are carbohydrates? They provide us fuel that makes reactions possible 7 of 15 What are proteins? Building up cells and tissues of your body 8 of 15 What are lipids? Fats and oils that are the most efficient energy store in your body 9 of 15 What is a catalyst? Something that speeds up reactions 10 of 15 How do enzymes work? They go through lock and key and attach to a substrate 11 of 15 What factors affect enzymes? Temperature, pH 12 of 15 How does the digestive system work Digestive enzymes come in contact with the food molecules. The tube squeezes up food and absorbs nutrients and gets rid of waste products 13 of 15 What is an organ system? A group of organs 14 of 15 What happens when enzymes are denatured? They can no longer act as a catalyst 15 of 15
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