Which of the following statements about the vagina is true?

The statement that the vagina is a muscular structure serving multiple functions is correct because the vagina is indeed a flexible, elastic muscular canal that plays several important roles in the female reproductive system. It serves as the birth canal during childbirth, allows for the passage of menstrual fluid, and is part of the copulatory organ during sexual intercourse. Its muscular nature enables it to expand and contract as needed for these various functions, which highlights its adaptability and importance in reproductive health.

On the other hand, the other options present misconceptions. The vagina does not connect the ovaries to the uterus; that role is fulfilled by the fallopian tubes. While the vagina is involved in reproductive processes, it does not produce hormones—this function is primarily performed by the ovaries. Furthermore, the vagina does not have the capability to capture and transport eggs; that function is also the responsibility of the fallopian tubes, which are specifically designed to collect eggs released from the ovaries.