The same substance as our fingernails - keratin.
Scales
Snakes belly scales are called stomach scales
Scales benefit snakes by protecting their bodies when they slither.
They are homologous structures. Both are scales, but snakes use them to move and pangolins use them as defense
Of course, the snakes of the world all have scales because they are cold blooded, if they were warm blooded, they would be a mammal and they would probably have fur, so, yes, snakes do have scales.
Reptiles, such as snakes, lizards, and turtles, are typically covered in scales. Scales are hard, protective structures made of keratin that help these animals retain moisture and provide a barrier against predators.
yes
Lizards have scales, which are a specialized type of skin.
scales
Snakes have skin that is covered in skin.
Actually, snakes don't have eyelids. They have scales that cover their eyes. When they molt, the scales on their eyes are replaced.
snakes. The body of the snakes are covered with scales and breathe through lungs