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May 16
The skeleton is the framework of the body, made up of bones that provide support, protection, and structure. It also plays a crucial role in movement, as muscles are attached to the bones, allowing for movement at joints.
The main functions of the skeleton include:
1. Support: The skeleton provides a rigid framework that supports the body and maintains its shape.
2. Protection: The skeleton protects vital organs such as the brain, heart, and lungs by surrounding them with bone.
3. Movement: The skeleton, along with muscles, allows for movement at joints, such as bending the knee or rotating the shoulder.
4. Blood cell production: The bone marrow inside certain bones produces red and white blood cells, which are essential for carrying oxygen and fighting infections.
5. Mineral storage: The skeleton stores minerals such as calcium and phosphorus, which are important for bone strength and overall health.
The skeleton is divided into two main parts: the axial skeleton, which includes the skull, spine, and rib cage, and the appendicular skeleton, which includes the limbs and pelvis. Each bone in the skeleton has a specific shape and function, such as the long bones of the arms and legs for support and movement, or the flat bones of the skull for protection.
The main functions of the skeleton include:
1. Support: The skeleton provides a rigid framework that supports the body and maintains its shape.
2. Protection: The skeleton protects vital organs such as the brain, heart, and lungs by surrounding them with bone.
3. Movement: The skeleton, along with muscles, allows for movement at joints, such as bending the knee or rotating the shoulder.
4. Blood cell production: The bone marrow inside certain bones produces red and white blood cells, which are essential for carrying oxygen and fighting infections.
5. Mineral storage: The skeleton stores minerals such as calcium and phosphorus, which are important for bone strength and overall health.
The skeleton is divided into two main parts: the axial skeleton, which includes the skull, spine, and rib cage, and the appendicular skeleton, which includes the limbs and pelvis. Each bone in the skeleton has a specific shape and function, such as the long bones of the arms and legs for support and movement, or the flat bones of the skull for protection.
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Google Gemini AI
May 16
Parts of the Human Skeleton
The human skeleton consists of 206 bones, which are classified into five main groups:
1. Axial Skeleton (80 bones)
- Skull (22 bones)
- Vertebral column (26 bones)
- Rib cage (24 bones)
- Hyoid bone (1 bone)
2. Appendicular Skeleton (126 bones)
- Upper limbs (60 bones)
- Clavicle (2 bones)
- Scapula (2 bones)
- Humerus (2 bones)
- Radius (2 bones)
- Ulna (2 bones)
- Carpals (16 bones)
- Metacarpals (10 bones)
- Phalanges (28 bones)
- Lower limbs (60 bones)
- Femur (2 bones)
- Patella (2 bones)
- Tibia (2 bones)
- Fibula (2 bones)
- Tarsals (14 bones)
- Metatarsals (10 bones)
- Phalanges (28 bones)
3. Skull (22 bones)
- Cranium (8 bones)
- Face (14 bones)
4. Vertebral Column (26 bones)
- Cervical vertebrae (7)
- Thoracic vertebrae (12)
- Lumbar vertebrae (5)
- Sacrum (1)
- Coccyx (1)
5. Rib Cage (24 bones)
- Ribs (12 pairs)
- Sternum (1 bone)
Functions of the Human Skeleton
The human skeleton serves several essential functions:
- Support: Provides a framework to support the body and protect internal organs.
- Movement: Acts as a lever system for muscles to generate movement.
- Protection: Encloses and protects vital organs such as the brain, heart, lungs, and reproductive organs.
- Mineral Storage: Stores minerals such as calcium and phosphorus.
- Blood Cell Production: Bone marrow within bones produces red blood cells and white blood cells.
- Fat Storage: Bone marrow also stores fat, which can be released as an energy source.
- Hormone Production: Bones secrete hormones such as osteocalcin, which regulates glucose metabolism.
- Sound Transmission: Bones transmit sound vibrations from the air to the inner ear.
The human skeleton consists of 206 bones, which are classified into five main groups:
1. Axial Skeleton (80 bones)
- Skull (22 bones)
- Vertebral column (26 bones)
- Rib cage (24 bones)
- Hyoid bone (1 bone)
2. Appendicular Skeleton (126 bones)
- Upper limbs (60 bones)
- Clavicle (2 bones)
- Scapula (2 bones)
- Humerus (2 bones)
- Radius (2 bones)
- Ulna (2 bones)
- Carpals (16 bones)
- Metacarpals (10 bones)
- Phalanges (28 bones)
- Lower limbs (60 bones)
- Femur (2 bones)
- Patella (2 bones)
- Tibia (2 bones)
- Fibula (2 bones)
- Tarsals (14 bones)
- Metatarsals (10 bones)
- Phalanges (28 bones)
3. Skull (22 bones)
- Cranium (8 bones)
- Face (14 bones)
4. Vertebral Column (26 bones)
- Cervical vertebrae (7)
- Thoracic vertebrae (12)
- Lumbar vertebrae (5)
- Sacrum (1)
- Coccyx (1)
5. Rib Cage (24 bones)
- Ribs (12 pairs)
- Sternum (1 bone)
Functions of the Human Skeleton
The human skeleton serves several essential functions:
- Support: Provides a framework to support the body and protect internal organs.
- Movement: Acts as a lever system for muscles to generate movement.
- Protection: Encloses and protects vital organs such as the brain, heart, lungs, and reproductive organs.
- Mineral Storage: Stores minerals such as calcium and phosphorus.
- Blood Cell Production: Bone marrow within bones produces red blood cells and white blood cells.
- Fat Storage: Bone marrow also stores fat, which can be released as an energy source.
- Hormone Production: Bones secrete hormones such as osteocalcin, which regulates glucose metabolism.
- Sound Transmission: Bones transmit sound vibrations from the air to the inner ear.
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