by: Admin_LouisPosted on: Melanin and keratin are produced in the part labelled Melanin and keratin are produced in the part labelled A 2 B 3 C 4 D 5Answer is A Share this:TwitterFacebookLike this:Like Loading... Related posts:In the digestive system, absorption of nutrient into the blood takes place in the part labelledA tissue can best be defined asThe structure labelled Y is theGaseous exchange in Aves occurs in the