Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 41 - Immunology: Animal defense Systems - 41.1 - Animals Use Innate and Adaptive Mechanisms for Defense - 41.1 Recap - Learning Outcomes - Page 871: 1

Answer

Innate defenses are built into every organism since birth. These mechanisms are generally more broad than adaptive immunity, providing the first line of defense. Examples include barriers such as skin, mucous membranes and phagocytic cells. Adaptive immunity is accumulated over an organism's lifetime. This type of immunity is highly specific and often delivered in the form of vaccines.

Work Step by Step

Innate defenses are built into every organism since birth. These mechanisms are generally more broad than adaptive immunity, providing the first line of defense. Examples include barriers such as skin, mucous membranes and phagocytic cells. Adaptive immunity is accumulated over an organism's lifetime. This type of immunity is highly specific and often delivered in the form of vaccines.
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