What are the differences between the uterus and the cervix

Patient's question:

No

Doctor's answer:

Hello, the main difference between the uterus and the cervix is that the uterus is a cavity. The cervix can be relatively considered as the door to the cavity. The top of the female vagina is the cervix, and there is a small hole in the middle of the cervix called the cervical os. Above the cervix is where the uterus is located. Menstruation begins...