Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 21 - The Immune System: Innate and Adaptive Body Defenses - Review Questions - Page 799: 12(2)


d and i

Work Step by Step

Histamine is released by basophils and mast cells. It causes vasodilation and contraction of the smooth muscle of stomach and lungs. It plays an important role in inflammation and acts as a neurotransmitter in brain and spinal cord. In addition, it also causes the stimulation of gastric acid secretion in stomach.
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.