In mammals,corpus luteum is found in which organ?

Consider the following statements about the ovary and select the correct ones.
$I -$ It is the primary female sex organ that produces the ovum and ovarian hormones.
$II -$ Ovaries are located in the upper part of the thoracic cavity,one on each side.
$III -$ Each ovary is about $4$ to $6 \ cm$ in length.
$IV -$ Ovaries are connected to the pelvic wall and uterus by ligaments.
$V -$ The ovary is covered by a thin epithelium which encloses the ovarian stroma.
$VI -$ The ovarian stroma is divided into two zones: a peripheral cortex and an inner medulla.

Atretic follicles are found in the

Where are the Bartholin's glands located?

Female reproductive organs and associated functions are given below in column-$I$ and column-$II$. Fill the blanks.

Column-$I$	Column-$II$
$(a)$ Ovaries	$(1)$ Ovulation
$(b)$ Oviduct	$(2)$ $(A)$
$(c)$ $(B)$	$(3)$ Pregnancy
$(d)$ Vagina	$(4)$ Birth

Fleshy folds of tissue which extend down the mons pubis and surround the vaginal opening are called: