Integumentary System

• Skin - the largest organ of a human body
• Epidermis - outermost protective part of the skin, epithelial tissue
• Dermis - inner thicker part of the skin, connective tissue
• Hair follicles - produces hair that protects the underlying skin; provides sensations
• Nails - protects and supports the tips of fingers and toes
• Exocrine glands - assists in thermoregulation (sweat); excretes wasters; lubricates epidermis and hair; produces pheromones for chemical communication