Category B - full version without watermark 720x576 (check terms and conditions at www.teledesign.de) The version with watermark is for free to embed During ingestion the tongue directs the food toward the teeth and controls the grinding process. Only small parts of the tongue serve taste. Thousands of tiny taste buds on the tongue are responsible for the different flavors. They contain receptor cells that convert "taste" into electrical impulses and forward them to the ends of sensory neurons in the tongue body. Via the cranial nerve the impulses reach the brain.