In the figure given below, parts A and B show the level of hormones which influence the menstrual cycle. Study the figure and answer the questions that follow:
(a) Name the organs which secrete the hormones represented in parts A and B.
(b) State the impact of the hormones in part B on the uterus of the human female during 6 to 15 days of menstrual cycle?
(a) A –Pituitary gland; B: Ovary
(b) Endometrium of the uterus regenerates through proliferation.