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Looking at how some animals can regenerate entire body parts, including salamanders able to regenerate entire legs and tails to replace ones they've lost.

Some animals can do the seemingly impossible. Salamanders can regenerate entire legs and tails to replace ones they've lost, while deer shed their massive antlers and regrow them from a few remaining cells each year.

How do these animals regenerate entire body parts and why is it not possible for all animals to do the same?

22 minutes

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Role Contributor
Actor Sir David Attenborough

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