QAHS Digestive system terms and definitions
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| Breaking down large insoluble molecules into small soluble molecules | Digestion
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| Connects the mouth to the stomach | Oesophagus (Gullet)
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| Muscular bag which produces enzymes and acid for digestion. | Stomach
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| Digests food and then absorbs the products of digestion into the blood. | Small intestine
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| Removes water from undigested food to form faeces. | Large intestine
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| Stores faeces until removed from the body. | Rectum
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| Point at which faeces leave the body. | Anus
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| Organ which produces bile. | Liver
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| Stores bile. | Gall bladder
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| Organ which releases enzymes into the beginning of the small intestine. | Pancreas
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| Chemical which breaks fats into small droplets to help speed up digestion. | Bile
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| Chemical which speeds up the rate of a chemical reaction without being changed. | Enzyme
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| Enzyme which converts Protein into peptides | Pepsin
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| Enzyme which converts Fat into Fatty acids and glycerol | Lipase
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| Enzyme which converts starch into maltose | Amylase
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| Enzyme which converts peptides into amino acids | Protease
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| Teeth used for chopping off grass pieces of and vegetation. | Incisor (Herbivore)
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| In Herbivores this tooth has the same function as incisors. | Canine (herbivore)
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| Teeth used for crushing and grinding of grass and pieces of vegetation. | Molar (herbivore)
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| Animals which get their energy from eating plants. | Herbivore
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| Animals which get their energy from eating meat. | Carnivore
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| Animals which get their energy from eating plants and meat. | Omnivore
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| Tiny finger-like structures which line the small intestine. | Villi
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| Structures inside villi which absorb the products of fat digestion (fatty acids and glycerol) | Lacteal
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| Structures inside villi which absorb the products of protein digestion (amino acids) and carbohydrate digestion(glucose). | Capillary
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| Muscular contractions of the gut wall which pushes food along the digestive system. | Peristalsis
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| Muscular contractions which help to mix food and digestive juices together in the stomach. | Churning
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| Technical term for faeces leaving the body. | Elimination
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| Teeth used to scrape meat off bones. | Incisors (carnivore)
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| Teeth used to pierce and hold prey. | Canine (carnivore)
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| Teeth used to slice through meat and crush bone. | Molar (carnivore)
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| Basic units which make up Proteins. | Amino acids
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| Basic units which make up Fats. | Fatty acids and glycerol
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| Basic units which make up Carbohydrates. | Simple sugars (glucose)
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| Elements found in proteins. | Nitrogen, Carbon, Hydrogen, Oxygen
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| Elements found in carbohydrates and fats. | Carbon, Hydrogen, Oxygen
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