During the follicular phase, granulosa cells secrete <u>estradiol</u>, which stimulates the secretion of <u>LH.</u>
Menstruation is a series of changes of hormones in women's monthly period cycle during which blood is discharged from the body.
If no pregnancy happens, then the lining of the uterus or womb is shed and discharged with the blood.
The follicular phase is an essential phase of menstruation.
during this phase, fluid-filled sacs called ovaries dwell in the immature eggs.
The menstruation period lasts for 4 -7 days and in the end, a mature egg is released from the ovary.
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The Continental Drift theory states that the 7 continents were all once one big piece. Pangea broke into several pieces by convergent and divergent boundaries. The continents almost fit together as an exact puzzle.
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B .How organisms could change .
Without cytokinesis, there will be more than one nuclei.