I would say 1,2,&4 because bones cant protect organs from bacteria or sunlight.
Answer:
they start with 2 different uhm beginnings and letters :)
Explanation:
It is made up of the bones of the skeleton, muscles, cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together. The musculoskeletal system's primary functions include supporting the body, allowing motion, and protecting vital organs.