Just one - a clear layer called the Brille. All snakes have this - it is not exclusive to Boas
alligators have 2 layers of skin on they're eye's
100 layers
20 layers off skin
There are at least 3 layers of skin that cover the skull. These layers may be thinner because of the location of the skin.
3 layers
Three
They have about 15
80
3
Skin usually has three main layers - the exterior epidermis; the middle dermis; and the interior hypodermis.
Skin consists of three layers of tissue.
They had to use many different types of makeup to create Captain Barbossa. Moisturizer and primer to smooth out the skin, special eyeliners for his eyes, special contacts for his eyes, and many layers of foundation of various colors to give his age.