The of the uterus is the proximal end of the cervix attached to the body of the uterus.

The answer is an internal orifice or internal os.

The cervix or cervix uteri refers to the lower portion of the uterus in the human female reproductive system. The openings are called the internal orifice and the external orifice of the uterus.

The internal orifice or internal os refers to the upper terminal of the cervix, which opens into the uterus. On the other hand, the external orifice refers to the terminal of the cervix, which opens into the vagina.

. the sierra madre fault zone of southern california

. the san andreas fault california

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.