Respuesta :

Answer to your question is expel an unfertilized egg and endometrium. Menstrual cycle is natures way of getting body ready for future pregnancy. it occures every 21-35 days and it lasts from 3-5 days. Menstrual cycle has it's Phases:Menstrual phase,Follicular phase,Ovulation phase,Luteal phase and The purpose of the menstrual cycle is to expel an unfertilized egg and endometrium which prepares body for pregnancy.

I KNOW TMI

I HOPE THIS HELPS THO
Hi Liles! Thanks for asking a question here on Brainly. ✉

✦ Answer ✦

The purpose of the menstrual cycle is to expel an unfertilized egg and endometrium. This is a way the body prepares itself for a future pregnancy. 

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia