Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 51 - The Immune System - Review Questions - Synthesize: 2

Answer

What is actually happening is that histamine has led to inflammation (the redness), and helper T cell and macrophages have been activated to mount a non-specific response, leading to the engulfing and destruction of any bacteria from your cat.

Work Step by Step

The question is asking you to review the basics of a non-specific immune response in the skin and apply it to a simple cat scratch.
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