tiannaa1 tiannaa1

Today at 4:39 PM
Biology

Answered

Menstruation occurs when.
an unfertilized egg is expelled from the body
a fertilized egg is nonviable and is expelled from the body
a fertilized egg moves to the uterus.
the lining of the uterus is shed because an ovum has not been fertilized

Answer :

hammahsab hammahsab

Today at 4:44 PM

The lining of the uterus is shed because an ovum has not been fertilized

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JotaroKujo47 JotaroKujo47

Today at 4:44 PM

Answer:

D

Explanation:

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