Answer
(d) all of these
Work Step by Step
The amount of blood reaching the skin, and the oxygenation level of that blood, both affect the color of the skin. Skin color is also determined by the amount of pigments such as melanin and carotene.
Human Anatomy & Physiology (9th Edition)
by Marieb, Elaine N.; Hoehn, Katja N.
Published by
Pearson
ISBN 10:
0321743261
ISBN 13:
978-0-32174-326-8
Chapter 5 - The Integumentary System - Review Questions - Page 170: 4
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