Regulation of blood volume.
D000818:Animals; D001794:Blood Pressure; D001810:Blood Volume; D002302:Cardiac Output; D006321:Heart / Q000502:physiology / Q000503:physiopathology; D006339:Heart Rate; D006470:Hemorrhage / Q000503:physiopathology; D006801:Humans; D051381:Rats; D014630:Vagus Nerve / Q000502:physiology