12. What substance are nails made of?
Answers
Answered by
1
Answer:
Nails themselves are made of keratin (say: KAIR-uh-tin). This is the same substance your body uses to create hair and the top layer of your skin. You had fingernails and toenails before you were even born
Answered by
2
Answer:
Keratin
Nails themselves are made of keratin (say: KAIR-uh-tin). This is the same substance your body uses to create hair and the top layer of your skin.
Similar questions