Snails and slugs move by sequentially contracting the small muscles of the "foot", producing waves that move from front to back. As the waves return, the different parts of the foot take turns taking the waves, grabbing the ground and pulling the animal forward.
How do snails work?
Snails use their one long, muscular leg to crawl a layer of mucus, such as secreted mucus. .. These waves of muscle contraction and relaxation travel from the tail to the head along the central part of the foot. The waves move much faster than the snail itself, producing enough force to push the snail forward. 2011
Do snails slip or walk?
Snails do move. Because that is the most common term. Everything else is more specific. They explain a specific way to work. Snails do not walk.
Do slugs crawl smoothly?
They don't slip like snakes, for example. But they don't walk like creatures with legs. They put mucus in front and move by a wave of contraction / expansion of the foot moving forward over the mucus.
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