How many vertebrae are in the thoracic region?

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Multiple Choice

How many vertebrae are in the thoracic region?

Explanation:
The number of vertebrae in the thoracic region is twelve. The thoracic spine sits between the cervical (neck) region, which has seven vertebrae, and the lumbar region, which has five. Each thoracic vertebra (T1 through T12) typically pairs with a rib, forming the thoracic cage that protects organs like the heart and lungs. So, twelve is the correct count for this region. The other numbers correspond to different spinal regions (seven for the neck, five for the lower back), and one option appears to be a formatting error rather than a valid count.

The number of vertebrae in the thoracic region is twelve. The thoracic spine sits between the cervical (neck) region, which has seven vertebrae, and the lumbar region, which has five. Each thoracic vertebra (T1 through T12) typically pairs with a rib, forming the thoracic cage that protects organs like the heart and lungs. So, twelve is the correct count for this region. The other numbers correspond to different spinal regions (seven for the neck, five for the lower back), and one option appears to be a formatting error rather than a valid count.

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