Final answer:
The sympathetics for bowel, bladder, and sexual function arise from the lumbar and sacral levels of the spinal cord.
Step-by-step explanation:
The sympathetics for bowel, bladder, and sexual function arise from the lumbar and sacral levels of the spinal cord. The sympathetic division of the autonomic nervous system influences various organ systems through connections emerging from the thoracic and upper lumbar spinal cord, also known as the thoracolumbar system. The lumbar and sacral levels are responsible for innervating the lower abdomen and pelvic organs, including the bowel, bladder, and sexual organs.