Protein - growth and repair, vitaminc - prevents scurvy, iron - helps production of haemoglobin for red blood cells, fibre - helps move faeces along the gut, ingestion - taking substances into the body through the mouth, absorption - movement of small food molecules and ions through the wall of the intestine into the blood, assimilation - movement of digested food molecules into the cells of the body where they are needed, egestion - passing out of food that has not been digested or absorbed, alimentary - the passage along which food passes, amylase - enzyme found in saliva, liver - produces bile, bile - emulsifies lipids, gallbladder - stores bile, pancreas - secretes hormones and digestive enzymes, oesophagus - transports food from the mouth to the stomach, stomach - contains acid to help kill bactera, rectum - stores undigested food , duodenum - first part of the small intestine,

Digestive system

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