The                                is an external feature of the spinal cord that designates the location of nuclei for the lower extremities.

                               contains myelinated fibers.

This brain region secretes melatonin that controls the sleep-wake cycle:

This brain region smoothes and coordinates skilled skeletal muscle movement, and also posture and balance or equilibrium:

The                                  is the larger muscle in a group and is also called the prime mover.

ID: Which muscle is indicated by “C” in the image below?

Which major brain region is indicated by “C” in the image below?

ID: Which functional area is indicated by “C” in the image below?

Match the indicated motor neuron structures from the image below.

This brain region controls and integrates the autonomic nervous system, regulates hormones, emotional behavior, temperature, and eating and drinking behavior: