Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 34 - Self-Quiz - Page 601: 7

Answer

c. parathyroid glands

Work Step by Step

When blood calcium is at low levels, the parathyroid glands in the neck produce parathyroid hormone, which acts on the bones to release calcium into the blood and on the kidneys to halt calcium secretion into the urine by reabsorbing calcium back into the body.
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