Assume a couple has just consummated the sex act and the male's sperm have been deposited in the woman's vagina. Trace the pathway of the sperm through the female reproductive tract.
a) Vagina → Cervix → Uterus → Fallopian tubes
b) Vagina → Fallopian tubes → Uterus → Cervix
c) Cervix → Vagina → Uterus → Fallopian tubes
d) Uterus → Vagina → Fallopian tubes → Cervix