Sympathomimetic agents. Sympathomimetic agents stimulate the sympathetic nervous system by prompting the neuronal release or mimicking the effects of epinephrine, norepinephrine, and other catecholamines
To actually control the color of their skin, cephalopods Use tiny organs in their skin called chromatophores. Each tiny chromatophores is basically a sac filled with pigment, minute muscles tug on the sac, spreading it wide and exposing the colored pigment to any light hitting the skin.
When working properly, food/liquids moves to the esophagus then to the stomach
