Digestive System Experts

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

The Digestive System

TaskYou 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 groups1’s will become experts on the mouth2’s will become experts on the oesophagus and stomach3’s will become experts on the small intestine4’s will become experts on the large intestine and rectum

If you finish your research early there is an extra expert group...

ExpertsExpert groups

1’s will become experts on the mouth2’s will become experts on the oesophagus and stomach3’s will become experts on the small intestine4’s 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

Why is the digestive system important?

Salivary GlandsMouth

Oesophagus

Gall BladderPancreas

Small Intestine

Appendix

Stomach

Large Intestine

Liver

Rectum

Anus

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?

The Mouth

• Two features of the mouth which help digestion?

• What is the job of teeth?

• What are the jobs of saliva?

• Anything extra?

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?

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?

Small Intestine

Stomach

The Large Intestine and Rectum• What is the job of the large intestine?

• What happens if the large intestine doesn’t do its job properly? • What is the job of the rectum?

• Anything extra?

Large Intestine

RectumAppendix

Linkshttp://www.youtube.com/watch?v=e3O1AdlC8bI

http://kidshealth.org/PageManager.jsp?lic=1&article_set=29673&ps=110

http://health.howstuffworks.com/human-body/systems/digestive/adam-200142.htm

http://kitses.com/animation/digestion.html

http://www.childrensuniversity.manchester.ac.uk/interactives/interactive_fs.asp?swfpath=science/bodyandmedicine/digestive.swf

http://www.bbc.co.uk/scotland/learning/learningzone/clips/4180/

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

Did you meet today’s aims?Yes: well done!No: why not?

Sometimes: how could you do better next time?

The Digestive SystemThe digestive system is on long muscular tube, made of many

segments, which goes from the mouth to the anus.

1. Using string, or paper strips, measure and cut the length of each segment of the digestive track.

2. Once you have all the pieces tie, or sellotape, each piece together in the right order!

3. 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