Matching Pairs Integumentary BasicsOnline version Match up the terms! by Kim Sandberg 1 Subcutaneous Layer 2 Protection, Temperature Regulation, Hydration Regulation, Sensory Perception, Synthesis of Vitamin D 3 Dermis 4 Melanin 5 Epidermis 6 How many layers of the skin are there? 7 Sweat Functions of the Skin The pigment producing portion of your skin. Secreting this via pores lowers your body's overall temperature Below the epidermis and dermis layers of skin, composed of connective tissue and adipose fat 2 Top layer of the skin Connective layer of skin not visible to the naked eye.