Biology for IGCSE & O level - Reproduction (Section 3 - No. 27)

Which of these statements about the structure of the vagina is correct?
It is lined with a mucus membrane to facilitate passage of the baby
It is a hollow muscular organ with a mucus membrane lining.
It secretes the hormone estrogen to regulate reproduction.
It is the organ in which the baby develops.

Explanation

The vagina is a hollow muscular organ with a mucus membrane lining.

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