Tonsils are small organs in the back of the throat. As part of the lymphatic system, they play an important role in the health of the body. Tonsils were once thought to be a useless part made obsolete by evolution. When bothered by an infection, doctors once prescribed the removal of the tonsils through a tonsillectomy. These small organs are actually quite useful, though. Though small and seemingly useless, tonsils have several uses. The tonsils prevent foreign objects from slipping into the lungs. Think of them as goalies for the throat. They also filter bacteria and viruses. These two meatball-shaped masses of tissue at the back of your throat are part of your lymph system, which includes a network of nodes that work like little security guards to battle infection.
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