Question

the body cavity in which organs are the most vulnerable to injury because of a lack of protection from surrounding bones is the—
spinal cavity.
abdominal cavity
pelvic cavity
thoracic cavity

Explanation:

The thoracic cavity is protected by the rib - cage, the spinal cavity by the vertebral column, and the pelvic cavity by the pelvic girdle. The abdominal cavity has less bony protection, making its organs more vulnerable to injury.

Answer:

C. Abdominal Cavity