Identify the parts of the vertebral column labeled A, B, C, and D. Which part belongs to the axial skeleton? Identify the regions labeled X, Y, Z, W, and V. State the number of vertebrae in each regio

Here are the answers to question 3:

a)

• A: Thoracic vertebra
• B: Lumbar vertebra
• C: Sacrum
• D: Vertebral column

b)
Bone D (Vertebral column) belongs to the Axial skeleton.

c)

• X: Cervical vertebrae
• Y: Thoracic vertebrae
• Z: Lumbar vertebrae
• W: Sacrum
• V: Coccyx

d)

• X (Cervical vertebrae): 7 bones
• Y (Thoracic vertebrae): 12 bones
• Z (Lumbar vertebrae): 5 bones
• W (Sacrum): 1 bone (fused from 5 vertebrae)
• V (Coccyx): 1 bone (fused from 3-5 vertebrae)