Blood Testing Device

FIG. 1 is a top view of the blood testing device of FIG. 1 ; FIG. 2 is a left side view of the blood testing device of FIG. 1 ; FIG. 3 is a front view of the blood testing device of FIG. 1 ; FIG. 4 is a perspective front view of the blood testing device of FIG. 1 ; FIG. 5 is a right side view of the blood testing device of FIG. 1 ; FIG. 6 is a rear view of the blood testing device of FIG. 1 ; and, FIG. 7 is a bottom view of the blood testing device of FIG. 1 . The broken lines in the drawings depict portions of the blood testing device that form no part of the claimed design.