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.
A glossectomy is the surgical removal of all or part of the tongue. It is performed in order to curtail malignant growth such as oral cancer. Often only a portion of the tongue needs to be removed, in which case the procedure is called a hemiglossectomy.