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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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Cali Fornia Cali Fornia
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7 years ago
Exposure to UV radiation causes the skin to darken by increasing the production of:
A) hemoglobin.
B) keratin.
C) collagen.
D) melanin.
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Human Anatomy & Physiology

Human Anatomy & Physiology


Edition: 1st
Author:
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blightermournblightermourn
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7 years ago
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7 years ago
You make an excellent tutor!
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