Protective plates over the ends of the fingers are made of what?
keratin tissue a metal bone iron oxide tiny hairs antigens Cartilage
A B C D E F G H
Fingernails are also made of keratin.
protective plates over the ends of the fingers are made of keratin
Protective plates over the ends of the fingers are made of what? (A) keratin (B) tissue (C) a metal (D) bone (E) iron oxide (F) tiny hairs (G) antigens (H) Cartilage