Answer
The black color of hair is caused by melanin. The lack of melanin causes the hair to become grey.
Work Step by Step
Same as above.
Essentials of Human Anatomy & Physiology (12th Edition)
by Marieb, Elaine N.; Hoehn, Katja N.
Published by
Pearson
ISBN 10:
1292216239
ISBN 13:
978-1-29221-623-2
Chapter 4 - Skin and Body Membranes - Review Questions - Page 158: 19
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