Name for the narrow opening between the uterus and the vagina

The answer is cervix. It is cylindrical in shape and found at the base of the uterus and where the vagina begins. It is 2 – 3 cm long. The cervix enlargens during pregnancy to allow the passage of the fetus during childbirth. It is also a conduit for sperm from the vagina to the uterus as they swim upstream to fertilize the egg.

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

when it is at an intermediate population density