Question 3.
Complete the paragraph with the help of words given in the bracket.
(Luteinizing hormone, endometrium of uterus, follicle stimulating hormone, estrogen, progesterone, corpus luteum)
Answer:
Growth of follicles present in the ovary occurs under the effect of follicle stimulating hormone. This follicle secretes estrogen. endometrium of uterus grows / regenerates under the effect of estrogen. Under the effect of estrogen fully grown up follicle bursts, ovulation occurs and corpus luteum is formed from remaining part of follicle. It secrets progesterone and estrogen.
Under the effect of these hormones, glands of endometriumof uterus are activated and it becomes ready for implantation.