Well done! You have reached the end of the third learning module about the respiratory system.

You should now know:

• about the major structures of the respiratory system, and their functions
• about the mechanics of respiration
• how respiration is controlled.

Every learning module ends in a test-yourself quiz. These questions help you to check how well you’ve understood the information in each module.

There are five questions in the quiz for this module – just click continue when you want to start. Alternatively, you can go back to the beginning of this course by clicking here .