Answer :
Final answer:
The structures that make up the skeletal system include bones, cartilage, and ligaments. In contrast to these, muscles are part of the muscular system and not the skeletal system. Therefore, the correct answer to the question is muscles as they do not belong to the skeletal system.
Explanation:
Identifying Structures in the Skeletal System
The skeletal system is primarily composed of bones, cartilage, and ligaments. It serves as the framework for the body, providing support and protection for internal organs, facilitating movement, and enabling blood cell production. Each of these components has a specific function:
- Bones: These are rigid structures that support the body and protect vital organs.
- Cartilage: This is a flexible yet strong connective tissue that covers the ends of bones at joints, allowing smooth movements.
- Ligaments: These bands of connective tissue connect bones to each other at joints, providing stability.
In contrast, muscles are not part of the skeletal system; rather, they work alongside it to facilitate movement. Muscles are connected to bones by tendons and facilitate movement when they contract. Therefore, from the options provided, the correct answer is:
Muscles
Because muscles are considered part of the muscular system, which works with the skeletal system but is not a structural component of the skeletal system itself.
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