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Journey Through the Digestive System: From Mouth to Rectum

Explore the fascinating process of digestion from the mouth to the rectum. Learn how organs like the stomach, small intestine, and large intestine work together to break down food and absorb nutrients. Discover the role of other systems like circulatory and excretory in the digestive process.

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Journey Through the Digestive System: From Mouth to Rectum

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  1. The Digestive System By: Leighton Weber

  2. The Organs • The esophagus, the liver, the stomach, the small intestine, the large intestine, the pancreas and the gallbladder.

  3. The Mouth • The food’s journey through your body all starts in your mouth. • You chew the food which breaks down the food into smaller pieces. • While that is happening, your tongue is mixing saliva into the food.

  4. The Stomach • In the stomach, food is mixed with enzymes, which helps break the food down. • Food moves through your stomach in two to four hours being changed into chyme.

  5. Small Intestine • First bile is added to the chyme. The bile breaks up the large particles in the chyme. • On the walls of the small intestine are villi. • Molecules of nutrients move into blood vessels within the villi.

  6. Large Intestine • In the large intestine water is removed from the chyme and it becomes a solid. • Then it exits through the rectum.

  7. The Purpose • The purpose of the digestive system is to break down food.

  8. Other Systems • The digestive system works with the circulatory system because nutrients from the food is carried through out the body through blood. • It also works with the excretory system because the excretory system removes waste made from food.

  9. My Model • I made my model out of newspaper, masking tape, and paint. • My model is a one to one scale of the average 12 to 13 year olds digestive system.

  10. Sources • https://www.google.com/search?q=mouth&hl=en&rls=com.microsoft:en-us:IE-SearchBox&prmd=imvns&source=lnms&tbm=isch&ei=qg5xT-WKEuGQsAKTpq3eDg&sa=X&oi=mode_link&ct=mode&cd=2&ved=0CBgQ_AUoAQ&biw=1024&bih=567 • http://www.google.com/imgres?hl=en&rls=com.microsoft:en-us:IE-SearchBox&biw=1024&bih=567&tbm=isch&tbnid=uRaNeVBRR10iYM:&imgrefurl=http://genericlook.com/anatomy/Stomach/&docid=48TnL3UYtoLGcM&imgurl=http://genericlook.com/img/uploads/anatomy/stomach.gif&w=300&h=243&ei=kQ9xT5DDDeyPsALotNHADg&zoom=1&iact=hc&vpx=527&vpy=92&dur=2891&hovh=194&hovw=240&tx=127&ty=96&sig=109193210257834393947&page=2&tbnh=169&tbnw=209&start=8&ndsp=12&ved=1t:429,r:2,s:8 • http://www.google.com/imgres?hl=en&rls=com.microsoft:en-us:IE-SearchBox&biw=1024&bih=567&tbm=isch&tbnid=PN2f2iG-DEGP-M:&imgrefurl=http://web.iiit.ac.in/~harshit/HCI/034.htm&docid=Pm-DoHAkQ66PRM&imgurl=http://web.iiit.ac.in/~harshit/HCI/images/034.gif&w=260&h=260&ei=xxBxT9SDMISOsQLRpIHWDg&zoom=1&iact=hc&vpx=560&vpy=166&dur=359&hovh=208&hovw=208&tx=96&ty=103&sig=109193210257834393947&page=4&tbnh=157&tbnw=157&start=32&ndsp=13&ved=1t:429,r:2,s:32 • http://www.google.com/imgres?hl=en&rls=com.microsoft:en-us:IE-SearchBox&biw=1024&bih=567&tbm=isch&tbnid=PN2f2iG-DEGP-M:&imgrefurl=http://web.iiit.ac.in/~harshit/HCI/034.htm&docid=Pm-DoHAkQ66PRM&imgurl=http://web.iiit.ac.in/~harshit/HCI/images/034.gif&w=260&h=260&ei=xxBxT9SDMISOsQLRpIHWDg&zoom=1&iact=hc&vpx=560&vpy=166&dur=359&hovh=208&hovw=208&tx=96&ty=103&sig=109193210257834393947&page=4&tbnh=157&tbnw=157&start=32&ndsp=13&ved=1t:429,r:2,s:32 • http://www.google.com/imgres?hl=en&rls=com.microsoft:en-us:IE-SearchBox&biw=1024&bih=567&tbm=isch&tbnid=pBdApjB3BsvTDM:&imgrefurl=http://www.enchantedlearning.com/subjects/anatomy/digestive/&docid=0s9AgJoCkXqYNM&imgurl=http://www.enchantedlearning.com/subjects/anatomy/digestive/color.GIF&w=395&h=367&ei=JBJxT-PtK-_jsQKPsNm-Dg&zoom=1&iact=hc&vpx=253&vpy=107&dur=1672&hovh=216&hovw=233&tx=137&ty=126&sig=109193210257834393947&page=1&tbnh=167&tbnw=181&start=0&ndsp=10&ved=1t:429,r:1,s:0 • http://www.google.com/imgres?hl=en&rls=com.microsoft:en-us:IE-SearchBox&biw=1024&bih=567&tbm=isch&tbnid=iO6H0W6eds8WbM:&imgrefurl=http://www.childrenscolorado.org/wellness/info/kids/21825.aspx&docid=Z_wGWxu6Y0cYWM&imgurl=http://www.childrenscolorado.org/imgs/KidsHealth/kid/body/images_55926/1079619327186.GI_system275.gif&w=275&h=267&ei=JBJxT-PtK-_jsQKPsNm-Dg&zoom=1&iact=hc&vpx=431&vpy=199&dur=641&hovh=213&hovw=220&tx=136&ty=188&sig=109193210257834393947&page=1&tbnh=150&tbnw=154&start=0&ndsp=10&ved=1t:429,r:7,s:0 • Biggs, Alton. “Unit 5, Chapter 16”, Texas Science, New York, NY: Glencoe/McGraw-Hill, 2002. Print. • http://wiki.answers.com/Q/What_other_systems_work_with_the_digestive_system

  11. Thank You For Watching My Presentation Over The Digestive System! Any Questions or Comments?

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