Which of the following statements are true of spinal nerves? (Read carefully and select all of the correct statements.)

A)Each spinal nerve has a dorsal (or motor) root and a ventral (or sensory) root.
B)Most spinal nerves are mixed nerves.
C)The phrenic nerves are motor to the diaphragm.
D)The sciatic nerve supplies the thumb side of the hand.
E)A dorsal root ganglion consists of the cell bodies of motor neurons.
F)The pairs of spinal nerves are 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and one coccygeal.