How many vertebrae are in the human spine?

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Multiple Choice

How many vertebrae are in the human spine?

Explanation:
The spine is made up of vertebral segments in five regions: seven in the neck, twelve in the upper back, five in the lower back, plus five in the sacral block and four in the coccygeal block. Adding them gives 7 + 12 + 5 + 5 + 4 = 33. In adults these bottom blocks fuse into the sacrum and coccyx, so the number of separate bones you can count is 26, but the conventional vertebral count used in anatomy is 33. That’s why 33 is the best answer.

The spine is made up of vertebral segments in five regions: seven in the neck, twelve in the upper back, five in the lower back, plus five in the sacral block and four in the coccygeal block. Adding them gives 7 + 12 + 5 + 5 + 4 = 33. In adults these bottom blocks fuse into the sacrum and coccyx, so the number of separate bones you can count is 26, but the conventional vertebral count used in anatomy is 33. That’s why 33 is the best answer.

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