"I will be teaching a session on the circulatory system and this will be very useful, so thank you for making this website." (Comment on Heart & Circulation)
The Teacher information contains suggested points which might be raised as the story is told. Depending on the children, some or all of these points might be raised either as the story unfolds or on a second, more analytical reading.
For a fuller description of the development of a medicine visit the animated timeline.