Friday Fun Fact

When we’re born, our spines consist of 33 individual vertebrae.

As we age, some of these vertebrae fuse together. The five vertebrae composing our sacrum become one bone and the coccygeal vertebrae – which can vary from three to five bones – fuse together as one. Thus, the tailbone is formed.

X-ray male anatomy isolated over a white background

X-ray male anatomy isolated over a white background

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