Which body cavity does not have bony protection?

• A. Thoracic cavity
• B. Cranial cavity
• C. Abdominal cavity
• D. Pelvic cavity

Answer: (C)

Verified step by step guidance

1. Understand the question: The problem is asking which body cavity lacks bony protection. To answer this, we need to analyze the structural features of each cavity listed.
2. Step 1: Review the thoracic cavity. The thoracic cavity is surrounded by the rib cage, sternum, and thoracic vertebrae, providing significant bony protection.
3. Step 2: Review the cranial cavity. The cranial cavity houses the brain and is completely enclosed by the skull, offering full bony protection.
4. Step 3: Review the abdominal cavity. The abdominal cavity contains organs like the stomach, intestines, and liver. Unlike the thoracic and cranial cavities, it is not surrounded by bones; instead, it is protected by muscles and connective tissues.
5. Step 4: Review the pelvic cavity. The pelvic cavity is partially protected by the pelvic bones, which form a bony ring around the lower part of the cavity. However, this protection is not as extensive as in the thoracic or cranial cavities.