Once home, I googled autism awareness, bumper sticker, and entered a whole world of autism products. Bumper stickers, of course. But also tee shirts, jewelry, stickers (I am someone with autism), mugs. Eventually, I exited even more perplexed than I entered.
In general, the digestive system is controlled by both nerves and hormones. The nerves that control digestion are in the submucosa layer of the tissue and in between the muscle layers of the walls of the organ.
Control of the Digestive System; Digestive system is controlled by: automatic activity; autonomic nerves; hormones; Innervation of the gastrointestinal tract; parasympathetic: rest and digest ; sympathetic: fight and flight; enteric nervous system: intrinsic nervous system in GI system