Sagot :
Answer:
The cervix is the lower part of the uterus that opens into the vagina. During childbirth, the cervix expands about 4 inches (10 centimeters) so the baby can travel from the uterus through the vagina and into the world.
Explanation:
i hope is helpful
Answer:
the cervix expands about 4 inches (10 centimeters) so the baby can travel from the uterus through the vagina