Human Anatomy & Physiology (9th Edition)

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

Chapter 2 - Chemistry Comes Alive - Review Questions - Page 58: 4


(a) Fe

Work Step by Step

Fe (iron) is the correct answer because it is an important component of hemoglobin. If there is a deficiency of Fe, then less hemoglobin will be able to be composed. b) is incorrect because iodine's (I) function is to produce thyroid hormones. c) is incorrect because fluorine's (F) function is to form enzymes. d) is incorrect because calcium's (Ca) function is to form bones and teeth, aid in muscle contraction, and conduct nerve impulses. e) is incorrect because potassium's (K) function is to conduct nerve impulses and aid in muscle contraction.
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