How many bones does a shark have?

A medium science trivia prompt from the quest1on archive. Try it first, then compare your answer with the explanation and related questions below.

Explanation

Sharks have zero bones. Their skeleton is made entirely of cartilage — the same flexible material in your nose and ears. This makes them lighter and more flexible.

Did you know?

Sharks have zero bones. Their skeleton is made entirely of cartilage — the same flexible material in your nose and ears. This makes them lighter and more flexible.

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