Skin thickness of mouse back

The thickness of mouse back skin is 5 nm. Mice, mammals, rodents, vertebrates. Rats evolved from house mice. Its individual is small, its body surface area is large, and its coat color is diverse. Meek, timid, like to live in a dark environment and stay up late. Omnivorous, biting, no sweat glands, poor adaptability to the environment, weak color discrimination, keen hearing and smell.