What is the role of cervix in the human female reproductive system? 

NEETprep Answer:  

 (i) The fundus is the broad, curved, dome-shaped upper area that receives the Falioplan tubes,
(ii) The body is the main part of the uterus, that starts directly below the level of the Fallopian tubes and continues downward until the uterine walls and cavity begin to narrow.
(iii) The isthmus is the lower, narrow neck region. 
(iv) The cervix is the lowest part that extends downward from the isthmus until it opens into the vagina.