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.
A. Nondisjuntion, because they have an extra cell when the sperm and egg meet. <span />
The answer would be B, the matrix of the mitochondrion.
Primary producers are organisms in an ecosystem that produce biomass from inorganic compounds Hope that helped!
Food and oxygen because plants give people food and oxygen... tree give people oxygen and fod
