Simplify the following text for a Grade 9 native English-speaking person.
Original: The whole of the lower half of his body and right side of his face are replaced , as is his left arm from the shoulder down , with scarring and metal accouterments covering what little was left of his organic self .
Simplified: The whole of the lower half of his body and right side of his face are replaced , with scarring and metal accouterments covering what little was left of his organic self .