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It explains the role and types of teeth, including canines, incisors, premolars and molars, and provides guidance on how to care for teeth by brushing and flossing and reducing sugar. The digestive system is traced from mouth and saliva to oesophagus, stomach, intestines, rectum and excretion. It also introduces food chains by linking producers, prey and predators.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/year-4-teeth-and-digestion-key-vocabulary-digestive-system-food-chains-teeth/411959/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/year-4-teeth-and-digestion-key-vocabulary-digestive-system-food-chains-teeth/411959.png","ImageObject",300,407,{"name":92,"@type":93},"Indoniesian Boy","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-09-28",true,{"@type":102,"interactionType":103,"userInteractionCount":44},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What triggers saliva production during digestion?","Question",{"text":112,"@type":113},"The smell of food triggers saliva to be produced.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What are the main stages after food is swallowed?",{"text":117,"@type":113},"Food is pushed down the oesophagus to the stomach, mixed further there, then sent to the small intestine to absorb nutrients, and finally to the large intestine before storage in the rectum.",{"name":119,"@type":110,"acceptedAnswer":120},"How can people look after their teeth to prevent decay?",{"text":121,"@type":113},"Brush and floss regularly, and avoid foods high in sugar to help prevent plaque buildup and tooth decay.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},411959,1790600753,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":44,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":8,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":81,"preview_page_count":4},962090760608,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Key vocabulary  \ncanine pointed teeth near the front of the mouth in humans  \nand some animals.  \ncarnivore an animal that eats meat.  \ndecay natural process of slowly losing health or strength.  \ndigestion the breaking down of food that is eaten.  \nenamel The hard white substance that forms the outer layer  \nof the tooth.  \nexcretion Process of getting rid of faeces, urine or sweat  \nthrough the body.  \nfaeces the solid waste substance that people and animals  \nget rid of from their body by passing it through the anus.  \nfood chain the order in which living things depend on each other  \nfor food.  \nincisor the teeth at the front of your mouth which you use  \nfor biting into food.  \nintestines the tubes in your body through which food passes  \nwhen it has left your stomach.  \nmolar the large, flat teeth towards the back of your mouth  \nthat you use for chewing food.  \nnutrition the process of taking food into the body and  \nabsorbing the nutrients in those foods.  \noesophagus the part of your body that carries the food from the  \nthroat to the stomach.  \nomnivore person or animal that eats both meat and plants.  \npredator an animal that hunts, catches and eats other living  \nthings.  \nprey An animal that is hunted, caught and eaten by other  \nliving things.  \nproducer a plant that produces its own food.  \nrectum part of the digestive system where stools are stored  \nbefore leaving the body through the anus.  \nsaliva the watery liquid that forms in your mouth and helps  \nyou to chew and digest food.  \nstomach the organ inside your body where food is digested  \nbefore it moves into the intestines  \nFocus scientists  \nPierre Fauchard (1679-1761) wrote the first complete scientific description of dentistry. The book described basic function of teeth and removing decay and restoring teeth.  \nWilliam Beaumont, (1785-1853),an army surgeon, was the first person to observe and study human digestion as it occurs in the stomach.  \nDigestive system  \n•The smell of food triggers saliva to be produced.  \n•The digestive system begins with the mouth and teeth where food is chewed. Saliva is mixed with the food which helps to break it up.  \n• •When the food is small enough to be swallowed, it is pushed down the oesophagus by muscles to the stomach.  \n•In the stomach, food is mixed further.  \n•The mixed food is then sent to the small intestine which absorbs nutrients from the food.  \n•Any leftover broken down food then moves on to the large  \nintestine.  \n•The food minus the nutrients arrives in the rectum where muscles turn it into faeces. It is stored here until it is pushed out by the anus. This is called excretion.  \nFood Chains  \nFood chains are the connections between producers, prey and predators. All the living things in a food chain rely on each other. A food chain describes how different organisms eat each other, starting out with a plant  \nand ending with an animal.  \nKey Knowledge  \nTeeth  \nWhat is the role of our teeth? for cutting and chewing food. They start the digestive process .  \nWhat are the different names and functions of our teeth?  \nCanines are pointed for tearing and ripping food-these are usually used when chewing meat.  \n•Incisors are shovel shaped and help bite lumps out of and cut food.  \n•Premolars and molars are flat and they grind and crush food.  \nHow do we look after them? by brushing and flossing and ensuring that they do not eat foods high in sugar. Not looking after teeth can lead to an in-crease in plaque and tooth decay.  \nTeeth in other animals  \nThe teeth of an animal are designed to eat different foods depending on the diet of the animal. Examples of the types of teeth of a herbivore, a carnivore and an omnivore are below:  \nHerbivore  \nCarnivore  \nOmnivore","cbCaiezo8SUbXrUC","https://ap.wps.com/l/cbCaiezo8SUbXrUC","pdf",821725,"English","# Key vocabulary\n## Digestive system\n## Food chains\n# Key knowledge\n## Teeth\n## Teeth in other animals","[{\"question\":\"What triggers saliva production during digestion?\",\"answer\":\"The smell of food triggers saliva to be produced.\"},{\"question\":\"What are the main stages after food is swallowed?\",\"answer\":\"Food is pushed down the oesophagus to the stomach, mixed further there, then sent to the small intestine to absorb nutrients, and finally to the large intestine before storage in the rectum.\"},{\"question\":\"How can people look after their teeth to prevent decay?\",\"answer\":\"Brush and floss regularly, and avoid foods high in sugar to help prevent plaque buildup and tooth decay.\"}]","Year-4 Teeth and Digestion - Key Vocabulary, Digestive System, Food Chains, Teeth | PDF",1790590092]