If you lose a tooth, a new grown-up tooth takes its place — and then you're done. But a shark can grow thousands of teeth in its life. When one falls out, a fresh one is already waiting!
Let's find out how sharks keep their smile so sharp. 🐟
Tap Next to dive in.
A shark's teeth aren't in just one line. Behind the front teeth are many hidden rows, all lined up and ready — like a queue waiting for their turn.
Tap the shark's jaw to reveal the hidden rows behind the front teeth.
👆 Give the jaw a tap!
A shark's mouth works like a conveyor belt. When a front tooth falls out, the row behind slides forward to take its place. New teeth grow at the back and move up over time.
Press the button to lose a front tooth and watch a new one roll forward!
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Shark teeth have no strong roots, so they fall out easily — but that's okay, because a spare is always ready. Drag the waiting tooth into the empty gap to complete the smile.
Drag the tooth up into the dashed gap.
✋ Grab the tooth and move it to the gap.
Because sharks replace teeth again and again, some sharks grow more than 30,000 teeth in their whole life! Tap the water to count them growing.
Tap the button to grow more teeth!
Why can a shark lose a tooth without worrying?
Pick the answer you think is right.
Here's what you learned today:
Next time you see a shark 🦈, you'll know its secret to a super-sharp smile!