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In most land snails the eyes are carried on the first (upper) set of tentacles (called ommatophores or more informally 'eye stalks') which are usually roughly 75% of the width of the eyes.
They also secrete mucus from the foot to aid in locomotion by reducing friction, and to help reduce the risk of mechanical injury from sharp objects, meaning they can crawl over a sharp edge like a straight razor and not be injured.
Like other mollusks, land snails have a mantle, and they have one or two pairs of tentacles on their head.
Their internal anatomy includes a radula and a primitive brain.
The radula is a chitinous ribbon-like structure containing rows of microscopic teeth.
With this the snail scrapes at food, which is then transferred to the digestive tract.