Biology does not only discuss plant and human matters, but also learns everything related to animals.
Snakes are one type of animal belonging to the reptile group with a long body and no legs, also including creeping animals that move by creeping, which develop and can be in all places such as mountains, forests, deserts, lowlands, agricultural land, environment settlement to the sea. Snakes classified as reptiles have scales that protect the entire surface of the body and are poikiloterm (cold-blooded). Reptiles are the first organisms that can survive in a dry environment. The bulb can creep from many that are very flexible. Muscles that are in a flexible part of the body which means they can elongate and shorten. When the body is elongated and shortened, the back will be forward.
Snakes can move in all conditions including rough and slippery areas. If you walk in a slippery area like glass, it will stretch. Snakes are very famous for their creeping style that cannot be straight without twisting.