<prompt> Which hormone stimulates respiration?EstogonProgesteroneCoicosteroidsProlactine  <response>: Progesterone a steroid sex hormone that is the principal progestational agent; it plays a major pa in the menstrual cycle. During the maturation of the secondary oocyte ovum, estrogen, the principal female sex hormone, is produced at a high rate.Ref: Ganong;s review of medical physiology, 23ed edition, page no: 418 