How many vertebra do human have?

Answer 1

Almost all humans are born with 33 separate vertebrae. By adulthood, most have only 24. This is due to the fusion of the vertebrae in certain parts of the spine during normal development.

Different textbooks give different answers to this question. The confusion comes from the fact that the two lowest vertebrae -- the sacrum and the coccyx -- are each one bone, but they are made up from smaller bones fused together.

There are 24 separate vertebrae; then there is the sacrum, which is formed from 5 fused vertebrae; and finally the coccyx, which is formed from between 3-5 fused vertebrae. Therefore, if the coccyx and sacrum are each classed as one vertebra, then there are 26 vertebrae. If the fused vertebrae are all counted separately, then there are 32-34 vertebrae.

Answer 2

Humans typically have 33 vertebrae, but only 24 of these are movable. The first 7 are cervical vertebrae in the neck, followed by 12 thoracic vertebrae in the mid-back, and 5 lumbar vertebrae in the lower back. Below the lumbar region are the sacrum and coccyx, which are fused vertebrae.

Answer 3

26 33 vertebrae 7 Cercival, 12 Thoracic, 5 Lumbar, 5 Sarcal and 4 Coccyx