Bone Structure and Composition Quiz

Elastin fibers are not a component of bone tissue; instead, they are found in elastic connective tissues.

Calcium is the primary mineral component of bone, providing its hardness and strength.

The humerus bone, located in the upper arm, is commonly referred to as the 'funny bone.'

The diaphysis is the shaft or long, cylindrical part of a long bone, providing structural support and containing bone marrow.

The femur is a long bone in the leg and is not part of the axial skeleton, which consists of the skull, vertebral column, and rib cage.

Compact bone is dense and strong, providing structural support and protection to vital organs.

Parathyroid hormone (PTH) regulates calcium levels by stimulating calcium release from bones and increasing calcium absorption in the intestines.

Vitamin D facilitates the absorption of calcium from the intestines into the bloodstream.

The epiphysis is the rounded end of a long bone, responsible for joint formation.

Collagen is the primary organic component of bone tissue, providing flexibility and tensile strength.

Osteoclasts are responsible for breaking down old bone tissue during remodeling.

Ball-and-socket joints allow movement in multiple directions, offering a wide range of motion.

Appositional growth refers to the process where bones increase in diameter through the addition of bone tissue on their outer surface.

Articular cartilage covers the ends of bones in synovial joints, providing a smooth surface for movement and reducing friction.

Resorption is the process of bone breakdown and removal by osteoclasts, allowing for bone remodeling and calcium regulation.