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Questions and Answers
Which of the following are components of the skeletal system? (Select all that apply)
Which of the following are components of the skeletal system? (Select all that apply)
What are the main functions of the skeletal system?
What are the main functions of the skeletal system?
Support, Protect, Movement, Storage, Blood cell production
What is collagen?
What is collagen?
A tough, ropelike protein
What role do proteoglycans play in the extracellular matrix?
What role do proteoglycans play in the extracellular matrix?
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The extracellular matrix of bone only contains collagen.
The extracellular matrix of bone only contains collagen.
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What makes cartilage smooth and resilient?
What makes cartilage smooth and resilient?
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The mineral component of bone is primarily in the form of ______.
The mineral component of bone is primarily in the form of ______.
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What are the components of the skeletal system?
What are the components of the skeletal system?
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What are the five functions of the skeletal system?
What are the five functions of the skeletal system?
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The extracellular matrix of bone does not contain collagen.
The extracellular matrix of bone does not contain collagen.
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What kind of protein is collagen?
What kind of protein is collagen?
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Study Notes
Components of the Skeletal System
- Comprises bones, cartilages, tendons, and ligaments.
- These components work together to provide support, movement, and protection to the body.
Functions of the Skeletal System
- Provides structural support for the body.
- Protects vital organs such as the heart and brain.
- Facilitates movement by serving as attachment points for muscles.
- Stores essential minerals, including calcium and phosphorus.
- Produces blood cells within bone marrow.
Extracellular Matrix
- Connective tissues in the skeletal system are characterized by their extracellular matrix.
- The matrix comprises collagen, ground substance, organic molecules, water, and minerals.
- Collagen provides tensile strength; ground substance contributes to the matrix's fluidity and resilience.
Cartilage Extracellular Matrix
- Contains a mix of collagen and proteoglycans.
- Collagen provides toughness while proteoglycans attract water, enhancing smoothness and resilience.
- Cartilage is relatively rigid yet can return to its original shape when compressed, making it an effective shock absorber.
Bone Extracellular Matrix
- Composed of collagen and minerals, primarily calcium and phosphate.
- Collagen fibers offer flexible strength, enabling bones to withstand tensile forces.
- Mineral component imparts weight-bearing strength; hydroxyapatite forms the organization of minerals in bones.
Components of the Skeletal System
- Comprises bones, cartilages, tendons, and ligaments.
- These components work together to provide support, movement, and protection to the body.
Functions of the Skeletal System
- Provides structural support for the body.
- Protects vital organs such as the heart and brain.
- Facilitates movement by serving as attachment points for muscles.
- Stores essential minerals, including calcium and phosphorus.
- Produces blood cells within bone marrow.
Extracellular Matrix
- Connective tissues in the skeletal system are characterized by their extracellular matrix.
- The matrix comprises collagen, ground substance, organic molecules, water, and minerals.
- Collagen provides tensile strength; ground substance contributes to the matrix's fluidity and resilience.
Cartilage Extracellular Matrix
- Contains a mix of collagen and proteoglycans.
- Collagen provides toughness while proteoglycans attract water, enhancing smoothness and resilience.
- Cartilage is relatively rigid yet can return to its original shape when compressed, making it an effective shock absorber.
Bone Extracellular Matrix
- Composed of collagen and minerals, primarily calcium and phosphate.
- Collagen fibers offer flexible strength, enabling bones to withstand tensile forces.
- Mineral component imparts weight-bearing strength; hydroxyapatite forms the organization of minerals in bones.
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Description
Test your knowledge with our quiz on Seeley’s Essentials of Anatomy & Physiology. This quiz covers key concepts and terms found in the essential anatomy and physiology text, helping reinforce your understanding of the human body. Perfect for students and those interested in health sciences.
