Whether calculating your target heart rate, assessing your risk for a common condition, or testing your knowledge of today's health concerns, these tools help you manage your health. They are easy to use, informative, and often surprising.
The human appendix is a 3- to 6-inch narrow tube located where the small and large intestines join. It's mostly known for becoming inflamed and requiring emergency abdominal surgery for thousands of Americans each year. If you want to learn more about the appendix, take this quiz, based on information from the National Institute of Diabetes and Digestive and Kidney Diseases.