Besides melanin and carotene, which pigment colours skin?
AHematocrit
BHemoglobin
CHemocyanin
DHemosiderin
Answer & Solution
Correct answer: B. Hemoglobin
1. Three pigments are named together.
2. One of them comes from the blood.
3. The color of skin is influenced by melanin, carotene, and hemoglobin.
4. So the answer is hemoglobin.
_Source: OpenStax 'Anatomy and Physiology 2e', Ch 5 'The Integumentary System'_
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