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How Your Nails Work

From How the Body Works

How Your Nails Work
5 min2nd3rd4th5th6thScienceHealth
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Summary

Ever wonder what your fingernails and toenails are made of? Chloe and Nurb explain how nails grow from the root, what tough material they're built from, and how they protect the sensitive tips of your fingers and toes.

Viewer safety

All ages

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Teaching resources

Discussion questions

Discussion

Watch, then talk it over.

  1. What are your nails made of?
  2. Where do nails grow from, and which direction do they grow?
  3. How do your nails help protect your fingers and toes?
  4. Why doesn't it hurt when you trim the end of a nail?

Quick work-a-long

Words to know: nails, keratin, nail root, protect, grow

Try it: Look closely at one fingernail and find the pale half-moon near the base. Write one sentence about the job nails do for your fingertips.