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Structure of the digestive system.

  • /
  • SL Core /
  • Humans Activities for Learning/
  • Structure of the digestive system.

Drawing an annotated diagram of the digestive system

With a short screencast students learn a simple method of drawing a diagram of the digestive system. Annotations are added and students can practice their knowledge using some printable flashcards or a range of online study methods.

Lesson Description

Guiding Questions

What are the names of the organs in the digestive system?

In which order does food pass through the organs?

What is the function of each organ in digestion?

Activity 1 - Drawing a digestive system diagram

Watch the Screencast of a teacher drawing the diagram below. This shows how to draw a simple diagram of the digestive system than can be used in IB exams.

Complete a simple diagram of the digestive system using the Digestive system diagrams student worksheet

Use the student worksheet to complete your diagram.

To show a completed diagram of the digestive system click the eye icon

Activity 2: Learning the annotations for the labels

Study the flashcards below. As you read them through click the star for difficult terms.
Look again at just the starred cards and as you become more confident remove the stars

Finally select one of the other study modes bottom right for a little test of your memory.

Activity 3 Quick Test questions

Try these Digestive system labels quick test questions to test your memory.
If there is time see if you can still remember how to draw the diagram too.

Teachers notes

This is a lesson with three activities and a simple aim, to help students hone their skills so that they can produce clear annotated diagrams of the digestive system. It will, of course, also confirm that they have understood the basic structures of the digestive system and the functions of each organ.

These activities could be set as work for students to do independently, and this approach would save time in lessons. Alternatively (and I prefer this when there is time) it could be a lesson which run itself and gives the teacher time to work alongside students and to assess their individual needs.

There is some potential for differentiation in the second and third tasks.

Model answers can be found here: Digestive system Quick test - model answers