The sacrum is a single bone consisting of the fused components of ________ sacral vertebrae.
A)1-3; it can vary
B)2
C)3
D)5
E)4-6; it can vary

Question

Quizplus · Accepted Answer

The sacrum is formed by the fusion of five sacral vertebrae, S1-S5. This fusion typically occurs around the age of 25 and results in a triangular-shaped bone located below the lumbar vertebrae and above the coccyx. While the number of sacral vertebrae that fuse can vary somewhat (ranging from four to six), the most common number is five.

The Sacrum Is a Single Bone Consisting of the Fused