Does bone undergo a continuous process of modeling/remodeling?

Bone undergoes a continuous process of modeling and remodeling throughout an individual's life, making the statement true. This dynamic process is vital for maintaining bone strength, adapting to mechanical loads, and repairing micro-damage.

Modeling refers to the shaping of the bone during growth and development, which mainly occurs during childhood and adolescence. Remodeling, on the other hand, is an ongoing process involving the resorption of old bone tissue and the formation of new bone, driven by osteoclasts and osteoblasts, respectively. This process allows the skeleton to adapt to changes in mechanical stress, hormonal fluctuations, and the body's metabolic needs.

In adults, remodeling can occur as frequently as every 10 years, as the bone tissue is gradually replaced to maintain structural integrity and homeostasis. Factors such as hormonal levels, nutrition, and physical activity can influence the rate of remodeling.

Since bone remodeling is a lifelong process and not limited to specific age groups or situations like injury recovery, the correct answer affirms the continuous nature of bone modeling and remodeling.