The veins and cardiovascular reflexes.
D000818:Animals; D001794:Blood Pressure / Q000502:physiology; D001810:Blood Volume; D002302:Cardiac Output; D002320:Cardiovascular Physiological Phenomena; D002346:Carotid Sinus / Q000502:physiology; D002628:Chemoreceptor Cells / Q000502:physiology; D004285:Dogs; D006470:Hemorrhage / Q000503:physiopathology; D006801:Humans; D005082:Physical Exertion / Q000502:physiology; D011187:Posture; D011311:Pressoreceptors / Q000502:physiology; D012018:Reflex / Q000502:physiology*; D012119:Respiration / Q000502:physiology; D014628:Vagotomy; D014666:Vasomotor System / Q000502:physiology*; D014680:Veins / Q000502:physiology*