The correct answer is C. Ovary
Females possess a pair of ovaries which are about the size of an almond, on each side of the lower abdomen. Ovary is principal female reproductive organ which produces ova or female gamete or female reproductive cell through oogenesis. It is also an endocrine or ductless gland. The ovary secretes sex hormones estrogen and progesterone. These hormones regulate menstrual cycle and control sex organs development.