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Questions and Answers
What are the main functions of the skeletal system?
Support, protection, movement, storage, blood cell production
What type of support do bones provide?
Rigid support
How does the skeletal system facilitate movement?
Skeletal muscles attach to bones by tendons, and joints facilitate bone movement aided by smooth cartilage and ligaments.
What is the function of ligaments in the skeletal system?
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What do bones store within their cavities for energy?
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What is the main mineral stored in bone?
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What are the main components of tendons and ligaments?
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What large molecules make up proteoglycans?
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What is the primary form of mineral in bone?
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What are the main constituents of cartilage?
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What are the main components of the extracellular matrix in tendons and ligaments?
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What are the large molecules comprising polysaccharides attached to core proteins in the extracellular matrix?
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What is the primary form of mineral found in bone?
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What are the main components of cartilage in the skeletal system?
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Study Notes
Functions of the Skeletal System
- The skeletal system provides structural support, allowing the body to maintain its shape and providing a framework for muscles to attach and move.
- The skeletal system facilitates movement by acting as a system of levers, allowing muscles to contract and move the body's joints.
- The skeletal system also provides protection for internal organs, such as the brain and heart, by encasing them in a protective cage of bones.
Ligaments and Tendons
- Ligaments connect bones to each other, providing stability and support to joints.
- Tendons connect muscles to bones, allowing for muscle contraction and movement.
Bone Composition
- Bones store fat within their cavities for energy.
- The main mineral stored in bone is calcium.
- The primary form of mineral in bone is hydroxyapatite.
Extracellular Matrix
- The main components of tendons and ligaments are collagen and proteoglycans.
- Proteoglycans are composed of large molecules called glycosaminoglycans attached to core proteins.
- The main constituents of cartilage are chondrocytes, collagen, and proteoglycans.
- The extracellular matrix in tendons and ligaments is composed of collagen, proteoglycans, and glycosaminoglycans.
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Description
Test your knowledge about the functions of the skeletal system including support, protection, movement, and storage of minerals and adipose tissue within bone cavities.
