A long bone is able to withstand extreme torsion or twisting stresses because
A) within each osteon the collagen fibers and mineral crystals in adjacent lamellae are aligned in opposite directions.
B) the bone is spongelike with many hollow spaces, such as the central and epiphyseal marrow cavities.
C) the internal and external surfaces are both covered in irregular connective tissue fibers.
D) the trabeculae of spongy bone are aligned along stress trajectories.

Question

Quizplus · Accepted Answer

The collagen fibers and mineral crystals in adjacent lamellae of an osteon are aligned in opposite directions, which helps the bone resist torsion or twisting stresses.

A Long Bone Is Able to Withstand Extreme Torsion or Twisting