🔬 MCAT Exam Prep

The corpus callosum connects:

A The frontal and parietal lobes

B The left and right cerebral hemispheres

C The brain and spinal cord

D The thalamus and hypothalamus

✓ Correct Answer: Option B

The corpus callosum is a thick bundle of nerve fibers connecting the left and right cerebral hemispheres, enabling interhemispheric communication.