The Brain Forms from Three Swellings at the Anterior End

Multiple Choice

The brain forms from three swellings at the anterior end of the neural tube, which become

A) elongated and differentiated once the midbrain sends a start signal.
B) invaginated upon specific genetic signals.
C) the spinal cord, the reticular system, and the limbic system.
D) the cerebral hemispheres.
E) the hindbrain, the midbrain, and the forebrain.