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   Your Body!
How Stuff Works is a great place to come to learn about how things work in the world around you! Have you ever wondered how the engine in your car works or what makes the inside of your refrigerator cold? Then How Stuff Works is the place for you! Visit often and sign up for the HSW Newsletter to get the latest news!

  • How Cells Work - Inside your body there are about 10 trillion cells. Have you ever wondered what they do all day? Have you ever been curious about biotechnology and genetic engineering? You'll be amazed!
  • How Aspirin Works - Learn how Aspirin and other pain relievers find the pain and make it go away!
  • How Sunburns and Tans Work - The next time you get a sunburn, read this to find out what happened - your skin is an amazing organ!
  • How Sleep Works - Learn all about sleep and dreams!
  • How Your Immune System Works - You will not believe all of the different things your immune system can do!
  • How Caffeine Works - You probably drank something with caffeine in it today - 90% of Americans do. Learn why caffeine is America's most popular drug and what it does inside your body.
  • How Emergency Rooms Work - Learn about the fascinating world of Emergency Rooms!
  • How Cancer Works - Cancer is one of the world's most dreaded diseases -- understand this silent killer and the steps you can take to limit your exposure.
  • How Magnetic Resonance Imaging (MRI) Works - A fascinating article about one of the most versatile medical imaging technologies available!
  • How Allergies Work - Learn what causes everything from hay fever to severe reactions to bee stings!
  • How Vitamin C Works - Vitamin C is something you hear about all the time -- learn the real scoop on this important nutrient!
  • How Your Heart Works - Your heart is one of your most vital organs, and it is also one of nature's miracles of design!
  • How Heart Attacks and Angina Work - Heart disease is a major cause of death in the U.S. Learn all about how heart attacks and agina work so you can avoid them!
  • How the Diagnosis of Heart Disease Works - Learn how your doctor determines what is going on inside your heart!
  • How Blood Works - Learn all about the amazing red fluid that keeps you alive!
  • How Cholesterol Works - Find out why your body needs cholesterol, but not too much!
  • How Becoming a Doctor Works - If you have ever wondered what it takes to become a doctor, then this article will amaze you!


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