question: Tissue made of  what is used for feeling by animals?
choices.text: Protein fats cells neurones mucus Vibrates Cartilage keratin
choices.label: A B C D E F G H
fact2: Hair, whiskers, claws, and hooves are also made of keratin.
combinedfact: tissue made of keratin is used for feeling by animals
formatted_question: Tissue made of  what is used for feeling by animals? (A) Protein (B) fats (C) cells (D) neurones (E) mucus (F) Vibrates (G) Cartilage (H) keratin