Fact 1: Bone provides protection for soft tissues and internal organs.

Fact 2: Bone matrix consists of collagen and minerals.

Given the two facts above, answer the question "What provides protection for soft tissues and internal organs?" with the following options: 
- Blankets
 - barnacles
 - Epidermis
 - mammals
 - Collegen
 - Animal fur
 - a cuticle
 - fur and fat


 

     Collegen    