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Questions and Answers
What is the primary function of the cranium in the skeletal system?
What is the primary function of the cranium in the skeletal system?
- Storing minerals
- Producing blood cells
- Supporting body shape
- Protecting vital organs (correct)
Which part of the skeleton is primarily responsible for leverage?
Which part of the skeleton is primarily responsible for leverage?
- Vertebrae
- Patella
- Appendicular skeleton (correct)
- Cranium
In which bones does bone marrow primarily produce red and white blood cells?
In which bones does bone marrow primarily produce red and white blood cells?
- Irregular bones
- Long bones (correct)
- Short bones
- Sesamoid bones
What function of the skeletal system is crucial for bone density and muscular contraction?
What function of the skeletal system is crucial for bone density and muscular contraction?
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How does the skeletal system help reduce friction across joints?
How does the skeletal system help reduce friction across joints?
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What allows muscles to move weight and the body through origins and insertions on bones?
What allows muscles to move weight and the body through origins and insertions on bones?
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Study Notes
- The skeleton serves as a supporting framework for the body, determining genetic body shape and supporting soft tissues.
- One of the functions of the skeleton is protection, with certain parts like the cranium protecting vital organs such as the brain.
- Muscles attach to the skeleton, allowing movement through origins and insertions on bones, with tendons connecting muscles to bones.
- The skeletal system is responsible for blood cell production, particularly in long bones where bone marrow produces red and white blood cells.
- The skeleton stores minerals like calcium and phosphorus, crucial for bone density, bone growth, and muscular contraction.
- Leverage refers to the ability of the skeleton to move weight and the body, primarily involving the appendicular skeleton and muscles pulling on tendons.
- Weight-bearing is a key function of the skeleton, with bones designed to bear and distribute weight, especially in weight-bearing exercises that increase bone density.
- The skeletal system helps reduce friction across joints through mechanisms like cartilage, synovial fluid, and sesamoid bones like the patella lifting tendons away from the joint.
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