In what order do sperm move through the structures of the female reproductive tract?
A. ovary; oviduct; uterus; vagina
B. cervix; vagina; uterus; oviduct
C. vagina; uterus; oviduct; ovary
D. vagina; cervix; uterus; oviduct
E. endometrium; cervix; uterus; oviduct
Answer: D
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