In mammals,corpus luteum is found in which organ?

What is the homologue of the male penis in the female?

How many of the following statements is/are not correct?
$(a)$ Presence or absence of hymen is a reliable indicator of virginity/sexual experience.
$(b)$ Vaginal orifice is completely closed by a septum of mucous membrane called hymen.
$(c)$ The uterus opens into urethra.
$(d)$ Vagina along with cervical canal forms birth canal.

The $Isthmus$ is a part of which of the following?

If both ovaries are removed from a female,which hormone level will decrease?

Which of the following statements is correct?