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Aug 9
The skeletal system is the framework of bones that provides support and structure to the body. It consists of 206 bones in adults, which are connected by ligaments and tendons to form joints. The skeletal system serves several important functions, including protecting internal organs, providing a framework for muscles to attach to, and storing minerals such as calcium and phosphorus. Additionally, the bones of the skeletal system produce red and white blood cells in the bone marrow. Overall, the skeletal system plays a crucial role in supporting the body and allowing for movement.
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Google Gemini AI
Aug 9
Skeletal System
Structure:
- Bones: Hard, mineralized tissue that forms the skeletal framework.
- Cartilage: A connective tissue that provides flexibility and shock absorption.
- Joints: Connections between bones that allow movement.
Functions:
1. Support: Provides a structural framework for the body.
2. Protection: Encloses and protects vital organs such as the brain, heart, and lungs.
3. Movement: Enables voluntary and involuntary movements through the interaction of muscles and bones.
4. Storage: Bones store minerals, primarily calcium and phosphorus.
5. Blood Cell Production: Bone marrow produces red blood cells, white blood cells, and platelets.
Types of Bones:
- Long bones: Found in the limbs (e.g., femur, tibia)
- Short bones: Found in the wrist and ankle (e.g., carpal bones, tarsal bones)
- Flat bones: Form the skull, rib cage, and shoulder blades (e.g., parietal bone, scapula)
- Irregular bones: Have a complex shape, such as the vertebrae and pelvis.
Types of Joints:
- Immovable: (e.g., skull bones)
- Slightly Movable: (e.g., joints between vertebrae)
- Freely Movable: (e.g., hip joint, knee joint)
Bone Tissue:
- Compact Bone: Dense and provides strength.
- Spongy Bone: Less dense, contains bone marrow and provides shock absorption.
- Periosteum: A fibrous membrane that covers the outer surface of bones.
- Endosteum: A thin membrane that lines the inner surface of bones.
Bone Growth and Development:
- Ossification: The process by which cartilage is replaced by bone tissue.
- Remodelling: Continuous process of bone resorption (breakdown) and formation, maintaining bone strength and adapting to changing mechanical loads.
Related Conditions:
- Osteoporosis: A condition that weakens bones, making them more susceptible to fractures.
- Arthritis: Inflammation of the joints.
- Fractures: Breaks in bones.
Structure:
- Bones: Hard, mineralized tissue that forms the skeletal framework.
- Cartilage: A connective tissue that provides flexibility and shock absorption.
- Joints: Connections between bones that allow movement.
Functions:
1. Support: Provides a structural framework for the body.
2. Protection: Encloses and protects vital organs such as the brain, heart, and lungs.
3. Movement: Enables voluntary and involuntary movements through the interaction of muscles and bones.
4. Storage: Bones store minerals, primarily calcium and phosphorus.
5. Blood Cell Production: Bone marrow produces red blood cells, white blood cells, and platelets.
Types of Bones:
- Long bones: Found in the limbs (e.g., femur, tibia)
- Short bones: Found in the wrist and ankle (e.g., carpal bones, tarsal bones)
- Flat bones: Form the skull, rib cage, and shoulder blades (e.g., parietal bone, scapula)
- Irregular bones: Have a complex shape, such as the vertebrae and pelvis.
Types of Joints:
- Immovable: (e.g., skull bones)
- Slightly Movable: (e.g., joints between vertebrae)
- Freely Movable: (e.g., hip joint, knee joint)
Bone Tissue:
- Compact Bone: Dense and provides strength.
- Spongy Bone: Less dense, contains bone marrow and provides shock absorption.
- Periosteum: A fibrous membrane that covers the outer surface of bones.
- Endosteum: A thin membrane that lines the inner surface of bones.
Bone Growth and Development:
- Ossification: The process by which cartilage is replaced by bone tissue.
- Remodelling: Continuous process of bone resorption (breakdown) and formation, maintaining bone strength and adapting to changing mechanical loads.
Related Conditions:
- Osteoporosis: A condition that weakens bones, making them more susceptible to fractures.
- Arthritis: Inflammation of the joints.
- Fractures: Breaks in bones.
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