A. 2mm
B. 2cm
C. 3mm
D. 3cm
Submitted by: Muhammad Asif Khajjak
Although it is only about 2 mm thick (about 0.07 inches) it covers about 20 square feet of surface and weighs about 3 killograms (just over 6 pounds). Depending on how you count them, the human skin has three layers.