Question

practice it
lo 7.1. what happens to the lining of the uterus during menstruation?
it shrinks
it develops new tissue
it thickens
it is shed
it remains unchanged

Explanation:

During menstruation, the endometrium (lining of the uterus) is shed. This occurs because if fertilization of the egg does not happen, hormonal changes (a drop in progesterone and estrogen) trigger the shedding of the built - up endometrial tissue.

Answer:

It is shed