NEET BIOLOGY

Detailed explanation-1: -The foramen magnum functions as a passage of the central nervous system through the skull connecting the brain with the spinal cord. On either side of the foramen magnum is an occipital condyle . These condyles form joints with the first cervical vertebra.

Detailed explanation-2: -Apart from the spinal cord, its associated meninges and cerebrospinal fluid, the foramen magnum also transmits the vertebral arteries, the anterior and posterior spinal arteries, dural veins and the spinal roots of the accessory nerve (CN XI).

Detailed explanation-3: -Neural canal in vertebra is the passage for spinal cord.