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Questions and Answers
What is one of the primary functions of the skeletal system?
What is one of the primary functions of the skeletal system?
What type of bone is the femur?
What type of bone is the femur?
Which tissue is found in the ends of long bones and the interior of flat bones?
Which tissue is found in the ends of long bones and the interior of flat bones?
What is the term for the division of the skeletal system that includes the bones of the skull, spine, ribs, and sternum?
What is the term for the division of the skeletal system that includes the bones of the skull, spine, ribs, and sternum?
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Which type of joint is characterized by the presence of cartilage?
Which type of joint is characterized by the presence of cartilage?
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What is the outer layer of bone tissue that covers the surface of bones?
What is the outer layer of bone tissue that covers the surface of bones?
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Study Notes
Functions of the Skeletal System
- Provides support and structure for the body
- Protects internal organs, such as the brain, heart, and lungs
- Acts as a attachment site for muscles, allowing for movement
- Produces blood cells through bone marrow
- Stores minerals such as calcium and phosphorus
Types of Bones
- Long bones: longer than they are wide, e.g. femur (thigh bone)
- Short bones: approximately equal in length and width, e.g. carpals (wrist bones)
- Flat bones: thin and flat, e.g. ribs and sternum
- Irregular bones: do not fit into any other category, e.g. vertebrae
- Sesamoid bones: small, rounded bones embedded within tendons, e.g. patella (kneecap)
Bone Tissue
- Compact bone: dense, compact tissue found in the shafts of long bones
- Cancellous bone: spongy, porous tissue found in the ends of long bones and interior of flat bones
- Periosteum: outer layer of bone, covering the surface
- Endosteum: inner layer of bone, lining the marrow cavity
Skeletal System Divisions
- Axial skeleton: bones of the skull, spine, ribs, and sternum
- Appendicular skeleton: bones of the upper and lower limbs, pelvis, and shoulder girdle
Joints
- Synovial joints: freely movable joints, e.g. shoulder and elbow
- Cartilaginous joints: joints connected by cartilage, e.g. spine
- Fibrous joints: joints connected by fibrous tissue, e.g. skull bones
Bone Development and Growth
- Ossification: process of bone formation
- Endochondral ossification: process of bone formation from cartilage models
- Intramembranous ossification: process of bone formation from mesenchymal tissue
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Description
Learn about the functions and types of bones, bone tissue, skeletal system divisions, joints, and bone development and growth. This quiz covers the basics of the skeletal system, from its functions to its structure and development.
