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