Before taking biology, most never really know what the skin specifically does or what it actually is. Why do we have skin? What does our skin do? Our skin has many different but very important functions. The outer layer of your skin protects us from germs and bacteria entering our system and causing infections. It keeps our important inner fluids like blood and chemicals inside, where they belong. Then there's the second layer, called the dermis, which contains things like hair follicles and sweat glands. That's where our blood vessels are, and where we regulate our body's temperature. Lastly, on the bottom is the subcutaneous layer, also known as the fat layer. It stores energy, helps with the regulation of temperature, and also helps buffer against injury. Now that you've learned the vital importance and functions of your skin, you should put effort towards taking care of it and keeping it healthy.
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