Food energy is potential energy that animals (including humans) derive from their food through the process of cellular respiration.
The three kinds of treatment used for tongue cancer are: 1  Surgery: removal of the cancerous tumor and surrounding tissue. 2  Radiotherapy: uses high-energy particles from radioactive elements to kill cancerous cells left behind after surgery.
Typical symptoms of tongue cancer include a sore or lesion on the tongue, especially if it does not heal within two weeks. This lesion can bleed easily. There may also be a painful or painless lump or mass on the tongue, difficulty swallowing, and problems with speaking or chewing.