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QAHS Digestion

QAHS Digestive system terms and definitions

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