Effects of respiratory center activity on the heart.
D000818:Animals; D001341:Autonomic Nervous System / Q000502:physiology*; D002490:Central Nervous System / Q000502:physiology*; D004285:Dogs; D006321:Heart / Q000294:innervation*; D006339:Heart Rate; D006352:Heart Ventricles; D012119:Respiration; D014628:Vagotomy