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This tutorial will take you through carbon dioxide production, transport, and removal from the body. It will also address acid-base balance and respiratory acidosis/alkalosis.

You can navigate through this tutorial using the buttons at the top of the screen.

The tutorial will ask you questions. Click on your chosen answer to see feedback; click the answer again to make the feedback disappear. When you're finished with one page, click the navigation button for the next page to move ahead.

Have fun! Click on button '1' to see the first page of the tutorial.