Digestive System Experts

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Digestive System Experts
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Aims for today...

• Today we will be
• Developing our skill of respecting others
• I was quiet when others were talking
• I listened to instructions carefully
• Developing our knowledge of the digestive system
• I can label a diagram of the digestive system
• I can explain the job of each organ in the
  digestive system

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The Digestive System
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Task

• You are each going to become an expert on one
  part of the digestive system.
• You are going to make notes on your expert
  subject and then report back to your home group.
• Expert groups
• 1s will become experts on the mouth
• 2s will become experts on the oesophagus and
  stomach
• 3s will become experts on the small intestine
• 4s will become experts on the large intestine
  and rectum
• If you finish your research early there is an
  extra expert group...

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Experts

• Expert groups
• 1s will become experts on the mouth
• 2s will become experts on the oesophagus and
  stomach
• 3s will become experts on the small intestine
• 4s will become experts on the large intestine
  and rectum
• Read through the information sheet
• Use the information sheet to answer the questions
• Make extra notes which your think are
  important/interesting in the expert box
• Make sure you have all the notes you need because
  you will use them to teach the rest of your home
  group

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Why is the digestive system important?
Salivary Glands
Mouth
Oesophagus
Liver
Stomach
Gall Bladder
Pancreas
Large Intestine
Small Intestine
Rectum
Appendix
Anus
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Why is the digestive system important?

• What do our bodies get from food?
• What is digestion?
• What are enzymes?
• Where are enzymes found?
• Anything extra?

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The Mouth

• Two features of the mouth which help digestion?
• What is the job of teeth?
• What are the jobs of saliva?
• Anything extra?

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The Oesophagus and Stomach

• What is the digestive system made of?
• How does food get from the top to the bottom of
  the oesophagus?
• How does the stomach work?
• Anything extra?

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The Small Intestine

• Which organs squirt enzymes into the small
  intestine?
•  Which type of food is broken down by enzymes in
  the small intestine?
• What is the main job of the small intestine?
• Anything extra?

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The Large Intestine and Rectum

• What is the job of the large intestine?
• What happens if the large intestine doesnt do
  its job properly?
•  
• What is the job of the rectum?
• Anything extra?

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Links

• http//www.youtube.com/watch?ve3O1AdlC8bI
• http//kidshealth.org/PageManager.jsp?lic1articl
  e_set29673ps110
• http//health.howstuffworks.com/human-body/systems
  /digestive/adam-200142.htm
• http//kitses.com/animation/digestion.html
• http//www.childrensuniversity.manchester.ac.uk/in
  teractives/interactive_fs.asp?swfpathscience/body
  andmedicine/digestive.swf
• http//www.bbc.co.uk/scotland/learning/learningzon
  e/clips/4180/

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Aims for today...
Did you meet todays aims? Yes well done! No
why not? Sometimes how could you do better next
time?

• Today we will be
• Developing our skill of respecting others
• I was quiet when others were talking
• I listened to instructions carefully
• Developing our knowledge of the digestive system
• I can label a diagram of the digestive system
• I can explain the job of each organ in the
  digestive system

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The Digestive System

• The digestive system is on long muscular tube,
  made of many segments, which goes from the mouth
  to the anus.
• Using string, or paper strips, measure and cut
  the length of each segment of the digestive
  track.
• Once you have all the pieces tie, or sellotape,
  each piece together in the right order!
• How long is the digestive tract in total?

Organ Length (cm)
Mouth 15
Oesophagus 50
Stomach 30
Small Intestine 575
Large Intestine 150
Rectum 15