Which option properly identifies what is included in the musculoskeletal system?

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Multiple Choice

Which option properly identifies what is included in the musculoskeletal system?

Explanation:
Movement and support come from the musculoskeletal system, which includes bones that form the framework, muscles that contract to move joints, and other structures such as tendons, ligaments, cartilage, and joints that connect and stabilize them. The option listing bones, muscles, and other structures captures this whole set, making it the best choice. The other options describe different body systems—the brain and nerves belong to the nervous system, the lungs and heart are part of the respiratory and circulatory systems, and skin and hair are the integumentary system. They don’t describe what the musculoskeletal system includes.

Movement and support come from the musculoskeletal system, which includes bones that form the framework, muscles that contract to move joints, and other structures such as tendons, ligaments, cartilage, and joints that connect and stabilize them. The option listing bones, muscles, and other structures captures this whole set, making it the best choice. The other options describe different body systems—the brain and nerves belong to the nervous system, the lungs and heart are part of the respiratory and circulatory systems, and skin and hair are the integumentary system. They don’t describe what the musculoskeletal system includes.

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