13. The Peripheral Nervous System

Owen is a grad student who does research on sensory receptors. When classifying receptors, he organizes them based on if respond to external or internal stimuli. Owen is classifying receptors by:

Dorsal root ganglia contain

(a) cell bodies of somatic motor neurons

(b) axon terminals of somatic motor neurons

(c) cell bodies of autonomic motor neurons

(d) axon terminals of sensory neurons

(e) cell bodies of sensory neurons.