Workers who built the U.S.Transcontinental Railroad exerted a tremendous amount of effort, creating tunnels through the Sierra Nevada Mountains by breaking down the stone bit by bit.This step-by-step deconstruction process was analogous to the work performed in the body by
A) osteoclasts.
B) chondrocytes.
C) osteoblasts.
D) osteocytes.
E) chondroblasts.

Question

Quizplus · Accepted Answer

Osteoclasts are cells responsible for breaking down bone tissue in a process called bone resorption. Similarly, the workers building the railroad were breaking down stone bit by bit, analogous to how osteoclasts break down bone tissue. Chondrocytes, osteoblasts, osteocytes, and chondroblasts are all involved in the formation and maintenance of bone and cartilage, but not in the breakdown process.

Workers Who Built the U