(teeth are not part of endoskeleton )
the three main parts are look it up
An endoskeleton is a framework that provides protection and gives structure.
Endoskeleton
Endoskeleton and exoskeleton.
Endoskeleton - their bones are inside their body
Arctic foxes are mammals and have internal skeletons (endoskeleton).
endoskeleton
endoskeleton
Endoskeleton. (inside bones) Birds, reptiles, fish, amphibians and mammals have endoskeletons although there is the odd exception to the rule which has both. However no mammals have true exoskeletons.
You, for one animal with a endoskeleton.
it has got an endoskeleton.