The Integumentary System, Part 2 - Skin Deeper: Crash Course A&P #7
Table of Contents: Protects Your Body Senses the Outside World Helps Excrete Waste Stores Blood Regulates Temperature Makes Vitamin D Indicates Signs of Poor Health How Your Hair & Nails Grow The Difference Between Eccrine and Apocrine Sweat Glands Sebaceous (Oil) Glands