| Answer | Crossword Clue |
|---|---|
| NAIL | Keratin growth |
| RHINO | Only mammal with horns made of keratin |
| Answer | Crossword Clue |
|---|---|
| NAIL | Keratin growth |
| RHINO | Only mammal with horns made of keratin |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.