People have fingernails even before they are born. All fingernails are made of the same protein, keratin. Fingernails seem to grow from the tips. But they actually grow from under the cuticle.
ISBN-13: 9781631880520 Availability: In Stock Now - Ready to Ship
Published: September 2015 Reading Level: Lower Primary Pages: 24 Format: Paperback Publisher:Cherry Lake Publishing Product Category: Health PE&PD / Health PE&PD: Body / Health PE&PD: Body - Human Bio