How could biting your nails make you sick?
How could biting your nails make you sick?  
Podcast: Who Smarted? - Educational Podcast for Kids
Published On: Mon May 17 2021
Description: What is the purpose of finger & toenails? If nails are made of dead cells, how do they grow? How do your nails reveal what's going on inside of you? For free home activities sign-up at www.WhoSmarted.com See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.