Blood testing chip
US D608012 S1
The ornamental design for a blood testing chip, as shown.
FIG. 1 is a front view of a blood testing chip showing our new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side view thereof; and,
FIG. 6 is a left side view thereof.
Portions of the disclosure shown in broken lines form no part of the claimed design.