The autonomic nervous system and the peripheral circulation.
D001341:Autonomic Nervous System / Q000502:physiology*; D001775:Blood Circulation; D001933:Brain Stem / Q000502:physiology; D002540:Cerebral Cortex / Q000502:physiology; D006801:Humans; D008526:Medulla Oblongata / Q000502:physiology; D012018:Reflex; D013116:Spinal Cord / Q000502:physiology; D014666:Vasomotor System / Q000502:physiology*