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Snakes have four ways of moving around. Since they don't have legs they use their muscles and their scales to do the "walking".

Concertina method: this is when snakes bunch themselves up and then throw themselves forward.

Serpentine method: This motion is what most people think of when they think of snakes. Snakes will push off of any bump or other surface, rocks, trees, etc., to get going. They move in a wavey motion. They wouldn't be able to move over slick surfaces like glass at all.

Sidewinding: This method is similar to an inchworm's movement. The snake will lift the middle of its body up and then push it down forcing its head to move forward.

Rectilinear Method: This is a slow, creeping, straight movement. The snake uses some of the wide scales on its belly to grip the ground while pushing forward with the others. Snakes have internal skeletons. They have a spine and what you may call many 'ribs'.

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They have f-a-b-u-l-o-u-s inside or out what does it matter. You are beautiful in every single way words can't bring us down,no,no.BTW they have internal hah jokes external jksjks

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Q: Does a lizard have a internal skeleton or a external skeleton?
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