Ok now i don' write inccorect
Thecervix uteri lower part of theuterusin thehuman female reproductive system. also
.The cervix is a cylinder-shaped neck of tissue that connects the vagina and uterus. The cervix is made of cartilage covered by smooth, moist tissue, and is about 1 inch across. There are twomain portions of the cervix:*.The part of the cervix that can be seen from inside the vagina during a gynecologic examination is known as the ectocervix. An opening in the center of the ectocervix, known as the external os, opens to allow passage between the uterus and vagina.The endocervix, or endocervical canal, is a tunnel through the cervix, from the external os into the uterus.