I claim the ornamental design for a water-fillable human body simulator, as shown and described.
FIG. 1 is an isometric view of a water-fillable human body simulator.
FIG. 2 is a rear elevation view of the water-fillable human body simulator of FIG. 1.
FIG. 3 is a front elevation view of the water-fillable human body simulator of FIG. 1.
FIG. 4 is a left side elevation view of the water-fillable human body simulator of FIG. 1. A right side elevation view is a mirror image of the left side elevation view.
FIG. 5 is a top plan view of the water-fillable human body simulator of FIG. 1.
FIG. 6 is a bottom plan view of the water-fillable human body simulator of FIG. 1; and,
FIG. 7 is an isometric view of the water-fillable human body simulator of FIG. 1 deployed in a rescue stretcher.
The broken lines are included for the purpose of illustrating environment and portions of the article that form no part of the claimed design.