In Human the tongue is a muscular hydrostat on the floors of the mouth which manipulates food for mastication. The tongue is the primary organ of taste (gustation), the upper surface of the tongue is covered in papillae and taste buds - it is sensitive and kept moist by saliva, and is richly supplied with nerves and blood vessels. In humans a secondary function of the tongue serves as a natural means of cleaning one's teeth. This Tongue medical PowerPoint Theme or template is foremost colored dark blue. The download includes a Title slide that's distinct from the other regular slides.