Campbell Biology (11th Edition)

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

Chapter 40 - 40.1 - Concept Check - Page 879: 1


Epithelial tissues are sheets of tightly packed cells that covers the outside of the body and lines organs and cavities within the body. Consequently, the sheets provide a barrier against mechanical injury, pathogens, and fluid loss. All epithelia are polarized, meaning that they have two surfaces: apical and basal.

Work Step by Step

The information regarding epithelial is located on p. 871 of the textbook.
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