Raena AI
Your AI Study Solution
🇬🇧
EN
Create free account
Question 1 of 20
What are the three pigments that produce normal skin color?
A. Carotene, sebum, and keratin
B. Melanin, keratin, and sebum
C. Melanin, carotene, and hemoglobin
D. Hemoglobin, sebum, and keratin