A Skeletal-System is a system of body parts used to support, separate, and protect the other parts of the body, especially the torso and the soft, vulnerable internal organs of the animal.
(A Skeletal-System; is; a system of body parts used to support, separate, and protect the other parts of the body, especially the torso and the soft, vulnerable internal organs of the animal) (a system of body parts; used; to support, separate, and protect the other parts of the body)
A Skeletal-System a system of body parts
is used
a system of body parts used to support, separate, and protect the other parts of the body, especially the torso and the soft, vulnerable internal organs of the animal
to support, separate, and protect the other parts of the body