Fact 1: Skin is used for protecting the body from harmful substances.

Fact 2: Skin is comprised of two layers, the epidermis and dermis.

Given the two facts above, answer the question "what protects the body from harmful substances?" with the following options: 
- h2o
 - brain
 - hard outer covering
 - fur and fat
 - protective bony armor
 - salt and pepper
 - epidermis and dermis
 - deoxyribonucleic acid


 

       epidermis and dermis  