Multiple Choice
What is a key difference between bone and cartilage in terms of their structure and function?
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4. Tissues & Histology
Specialized Connective Tissue: Cartilage
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What is cartilage and what is its primary role in the skeletal system?
A
Cartilage is a type of epithelial tissue that lines the cavities of the body.
B
Cartilage is a fluid-filled tissue that cushions the brain within the skull.
C
Cartilage is a rigid connective tissue that provides structural support and flexibility to joints.
D
Cartilage is a type of muscle tissue that aids in the contraction of skeletal muscles.
Verified step by step guidance1
Cartilage is a type of connective tissue, not epithelial, fluid-filled, or muscle tissue. It is important to distinguish between these types of tissues to understand their functions.
The primary role of cartilage in the skeletal system is to provide structural support and flexibility, particularly at the joints. This allows for smooth movement and reduces friction between bones.
Cartilage is composed of chondrocytes, which are specialized cells that produce a matrix of collagen fibers and proteoglycans. This matrix gives cartilage its strength and elasticity.
There are three main types of cartilage: hyaline cartilage, elastic cartilage, and fibrocartilage. Each type has specific functions and locations in the body, such as hyaline cartilage in the nose and joints, elastic cartilage in the ear, and fibrocartilage in intervertebral discs.
Understanding the role of cartilage is crucial for comprehending how the skeletal system functions, particularly in terms of movement and support. It is also important in the context of joint health and conditions such as arthritis.
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