Benedict's Solution, A reagent used to test for reducing sugars such as glucose, Digestive System, A group of organs that work together to digest food and absorb nutrients., Digestion, The process of breaking down large food molecules into small soluble molecules that can be absorbed into the blood., Mouth, The first part of the digestive system where food is chewed and mixed with saliva., Saliva, A liquid produced in the mouth that contains enzymes to begin the digestion of starch., Teeth, Structures in the mouth that physically break down food into smaller pieces., Mechanical Digestion, The physical breakdown of food into smaller pieces, for example by chewing., Chemical Digestion, The breakdown of food using enzymes., Enzyme, A biological catalyst that speeds up digestion without being used up., Oesophagus, The tube that carries food from the mouth to the stomach., Peristalsis, Wave-like muscle contractions that push food through the digestive system., Stomach, A muscular organ that churns food and mixes it with acid and enzymes., Hydrochloric Acid, Acid in the stomach that kills bacteria and provides the correct conditions for enzymes to work., Small Intestine, The organ where most digestion is completed and nutrients are absorbed into the blood., Villi, Tiny finger-like projections in the small intestine that increase the surface area for absorption., Absorption, The movement of digested nutrients from the small intestine into the bloodstream., Large Intestine, The organ that absorbs water from undigested food., Rectum, Stores faeces before they leave the body., Anus, The opening through which faeces leave the body., Liver, An organ that produces bile to help digest fats., Bile, A substance that neutralises stomach acid and helps break fats into smaller droplets., Gall Bladder, Stores bile until it is needed in the small intestine., Pancreas, Produces digestive enzymes that are released into the small intestine., Nutrient, A substance needed by the body for energy, growth, or repair., Carbohydrate, A nutrient that provides energy., Protein, A nutrient used for growth and repair of tissues, Lipid (Fat), A nutrient used for energy storage, insulation, and protection., Food Test, A chemical test used to identify nutrients in food.

Digestive system

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