• 1 hour ago
Transcript
00:00A T-Rex's tooth would be as long as a banana and sharp enough to crush bone.
00:06And the narwhal's tooth spirals out of the top of its head, reaching the length of an
00:11average human.
00:12Some whales have thousands of thin teeth that form a massive curtain.
00:17The rows are as tall as a school bus and are used to filter millions of tiny plankton.
00:23And an elephant's tusks are about as long as a car, and they're strong enough to pick
00:27up one, too.

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