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 How many layers of the skin are there? 3 Melanin 4 Subcutaneous Layer 5 Sweat 6 Epidermis 7 Dermis Secreting this via pores lowers your body's overall temperature Connective layer of skin not visible to the naked eye. 2 The pigment producing portion of your skin. Functions of the Skin Below the epidermis and dermis layers of skin, composed of connective tissue and adipose fat Top layer of the skin