Basic Structure of the Skin Complete the following statements by writing the appropriate word or phrase on the correspondingly numbered blank: The two basic tissues of which the skin is composed are dense irregular connective tissue, which makes up the dermis, and 1 , which forms the epidermis. The tough water-repellent protein found in the epidermal cells is called 2. The pigments melanin and 3 contribute to skin color. A localized concentration of melanin is referred to as a(n) 4.
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