helps with arousal and orgasm.

The uterus also produces secretions which help the transit of sperm to the fallopian tubes, where one of them can fertilize the ovum. During the menstrual cycle, an ovary releases an ovum, which transits through the fallopian tube and into the uterus. If the egg cell meets with sperm on its way to the uterus, a single sperm cell can enter and merge with it, creating a zygote.