Can the penis enter the cervix?

If you could touch the end of the cervix that sits at the top of the vagina, it would remind you of how the tip of your nose feels, but larger. The cervix has a very tiny slit in it, just large enough to allow the flow of menstrual blood, or sperm to swin through. Even the smallest penis could never fit "through" that very tiny, narrow slit in the cervix. When you stop to think about it, it is a wonder that sperm can even find that tiny slit.