She should start washing her hands, going to the doctor so she can figure out what type of medicine to take so she avoids sickness
Show them exactly what you are doing. Let them see the rubric for the report.
A measure of tactile acuity defined as the smallest separation at which two points applied simultaneously to the skin can be clearly distinguished from a single point. It varies from 1 or 2 millimetres in the finger pads and tongue to more than 60 millimetres on the upper arm, upper thigh, and back.