Because it is a muscle.
TONGUE
You don't find any bones in your tongue. A tongue is a muscular structure. Therefore, there are no bones in your tongue.
The difference between a cats tongue and a dogs tongue is that a cats tongue is rough and looks like there is little teeth on the tongue. The dogs tongue is smoother than a cats and is most of the time longer than a cats tongue. Also a dogs tongue can be different colours. It seems to be said also that a dogs tongue can heel a wound.
Tongue a pig contains 15,000 taste buds. For comparison, the human tongue has 9,000 taste buds. United Nations Farms
the tongue is not attached to any bone
Our tongues do not have any bones. However, it is anchored by your "hyoid bone" which causes confusion among some people who insist that the anchor function alone justifies calling it a "tongue bone".BUT, be assured. The accepted thinking among qualified professionals clearly indicates that in a normally developed human specimen, the tongue is primarily made up of tissues and no bone.
The human tongue is inside the mouth.
The average human tongue is 4 inches.
Given that there are no bones in the tongue, it would be impossible to break it. The tongue could possibly be strained, but not broken.
There is no such thing called Tongue Bone. Tongues do NOT have bones.
Human bones.
yes there is some animals that have bones in their tongues...use google to find out which ones (Hint: The ones who use their tongue the most)