Several mammary ducts join to form a wider structure called:

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.

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.

What is a vaginal tampon?

Which of the following is the last part of the oviduct,which has a narrow lumen and joins with the uterus?

The ovaries are attached to the pelvic wall and the uterus by which structure?