Amazing Fun Fact - Shark - Part 2

Animal Kingdom - Animal Facts
Amazing Fun Fact about Shark – Part 2

Shark teeth are embedded in the gums rather than directly affixed to the jaw, and are constantly replaced throughout life. Multiple rows of replacement teeth grow in a groove on the inside of the jaw and steadily move forward in comparison to a conveyor belt; some sharks lose 30,000 or more teeth in their lifetime.

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