Which part of the female reproductive system sheds during the menstrual cycle?

 The ovaries produce the female egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur. The fertilized egg then moves to the uterus, where the uterine lining has thickened inresponse to the normal hormones  reproductive cycle.

Breastfeeding should last for 12 months.

Answercirculatory,blood moves oxygen;