ALL of the above. The sympathetic efferents exit the spinal cord a. in the region of the cervical vertebrae. ALL of the above. The parasympathetic efferents exit the spinal cord a. in the region of the frontal lobe b. in the region of the thoracic vertebrae. ALL of the above.
Somatic efferents exit the spinal cord a. in the region of the cervical vertebrae.
ALL of the above. Axon hillocks a. are located near the motor end plate synapses. ALL of the above. The conjunctiva covers the retina and is kept pressed on the retina by the vitreous body. BOTH a and b d.