The main function of the cornea is to permit ____________________ to pass through to the retina so that a visual image can be relayed to the brain

Preganglionic sympathetic fibers originate from the

a. Paravertebral ganglia b. Brainstem and cervical spinal cord c. Brainstem and sacral spinal cord d. Thoracic and lumbar spinal cord

The left side of the brain controls the _____ half of the body

Fill in the blank(s) with correct word