Answer: Vertebrae T1 to T2 make up the upper thoracic region.
Step-by-step explanation:
The vertebral column, also known as the spine, is divided into different regions based on the location of the vertebrae. The thoracic region is the middle part of the spine, located between the cervical region (neck) and the lumbar region (lower back).
The vertebrae in the thoracic region are labeled as T1, T2, T3, and so on, with T1 being the first vertebra in the thoracic region. Therefore, when we refer to vertebrae T1 to T2, we are specifically talking about the first and second vertebrae in the thoracic region.
Hence, vertebrae T1 to T2 make up the upper thoracic region.