An anatomy professor is teaching a class of pre-nursing students about the female reproductive system. one student asks, "where is the opening to the vagina? " the best answer the professor can give is:

in what is called the vestibule, which is located between the labia minora.

Explanation:

Between the  labia minora is the opening of the vagina, in a region called the vestibule, the opening is covered by a thin highly vascularized membrane called the hymen. It is important to realize that the hymen does not “close” the canal: it is present around the hole. Women born with the canal blocked by this tissue need to undergo corrective surgery so that menstrual flow can be eliminated from the body. The hymen will not necessarily still be present at first sexual intercourse, as it may disappear well before puberty, in activities such as spreading the legs in the gym, cycling, among others.

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explanation: