Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 41 - 41.2 - Concept Check - Page 903: 2


The inside of the alimentary canal is considered to be outside the body.

Work Step by Step

Until chemicals have been absorbed through the mucosa of the digestive tract, they are still within the alimentary canal. The inside of the alimentary canal is "connected" to the external environment, making it technically part of the outside of your body.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.