The radula is a sand tongue. The radula or sand tongue is a toothed tongue-like organ in the digestive system of molluscs. It is made of chitin. It helps in taking and chewing food. For example – Snail (Pila globosa).
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The radula is a sand tongue. The radula or sand tongue is a toothed tongue-like organ in the digestive system of molluscs. It is made of chitin. It helps in taking and chewing food. For example – Snail (Pila globosa).