Your entire digestive tract is less than 30 ft long. Your pancreas and your liver produce enzymes to help you break down food. The liver also works to detoxify your body, and can regenerate itself when up to ⅔ of it is lost. Fiber is indigestible, and is left over when all other nutrients are removed from food. Check out these fascinating videos about our great digestive system:
Thanks to TedEd and CrashCourse
