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 therefore; and,

FIG. 6 is a left side view thereof.

The broken lines in FIGS. 1, 3, 5 and 6 are included for the purpose of illustrating portions of the blood testing chip that form no part of the claimed design.