The statement that during stage 2 of labor, the placenta and umbilical cord are delivered is false. The stage 2 of labor begins when the cervix is completely dilated (open), and ends with the birth of the baby. It can last from 20 minutes to 2 hours. The placenta and umbilical cord are delivered in the third stage, which is also called afterbirth.
Each cell has their own structure and function. This allows them to duplicate its contents and chromosomes and split into 2 to produce another cell during mitosis
