Campbell Biology (11th Edition)

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

Chapter 42 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 949: 1


C. The tracheal system of an insect.

Work Step by Step

This respiratory is not closely associated with a blood supply because the tracheal system is not connected with the blood supply. The system have spiracles which are a series of external openings. These openings leads into their internal respiratory system which does not have a blood supply.
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.