You are presented with the question "What provides protection for soft tissues and internal organs?" and the following answer choices: 
- Blankets
 - barnacles
 - Epidermis
 - mammals
 - Collegen
 - Animal fur
 - a cuticle
 - fur and fat

Now knowing that bone provides protection for soft tissues and internal organs and bone matrix consists of collagen and minerals, choose the best answer.


 

     Collegen    