What is Tongue?

The tongue is a major organ. You will agree that the tongue precisely reflects the state of our digestive system. How? Well, you may have experienced that occasionally when we suffer from stomach upset or discomfort in the abdomen, our tongue too is soar, red or occasionally ulcerated. You may have found yourself looking at your tongue in the mirror, looking for the affected area. As a whole, the tongue has a high value as a diagnostic tool. What is the tongue made up of? Let's find out.