On Earth, the skeletal system of the body serves as both the framework for the body itself and as the support system which enables the body to maintain its normal posture.
(the skeletal system of the body; serves; as both the framework for the body itself and as the support system; L:On Earth) (the support system; enables; the body; to maintain its normal posture) (the body; to maintain; its normal posture)
the skeletal system of the body the support system the body
serves enables to maintain
as both the framework for the body itself and as the support system L:On Earth
the body to maintain its normal posture
its normal posture