Which cavity contains the brain?

Which cavity contains the brain?

• A. Spinal body cavity
• B. Cranial body cavity
• C. Thoracic body cavity
• D. Abdominal body cavity

Answer: (B)

The brain is housed inside the cranial cavity, the space inside the skull. This area forms part of the dorsal body cavity and is specifically designed to protect the brain with bones of the skull and the surrounding protective membranes. The spinal cavity, which runs within the spine, contains the spinal cord and is a separate space that connects to the cranial cavity through a passage at the skull base. The thoracic cavity sits in the chest and contains the heart and lungs, not the brain, while the abdominal cavity holds major digestive organs. So, the brain’s location is the cranial cavity.

The brain is housed inside the cranial cavity, the space inside the skull. This area forms part of the dorsal body cavity and is specifically designed to protect the brain with bones of the skull and the surrounding protective membranes. The spinal cavity, which runs within the spine, contains the spinal cord and is a separate space that connects to the cranial cavity through a passage at the skull base. The thoracic cavity sits in the chest and contains the heart and lungs, not the brain, while the abdominal cavity holds major digestive organs. So, the brain’s location is the cranial cavity.