Teeth enamel can become damaged or erode and must be treated by a dental professional. Bones protect organs and move the body. Bones change (remodel) throughout various life stages. Bone can ...

Our teeth start the process by chewing and grinding ... Food passes down the throat to the esophagus, the first of a succession of hollow organs that transport their contents through muscular ...

special organs that prevent their food from escaping through the gills. Scientists believe their teeth—which are not used in feeding—are instead part of the mating process. In the past ...

a series of organs that break food down in a useful way ... This is where food is broken down by your teeth, mixed with saliva and swallowed. This is one of the best teams in the world!