Conception occurs in the outer third of the fallopian tube

The ovum is capable of fertilization for 72 hours

The sperm is capable of fertilization for 24 hours

Capacitation is the final process a sperm undergoes before fertilization

A proteolytic enzyme that is released by the spermatozoa that dissolves the layer of cells protecting the ovum.

One reason that an ejaculation contains such a large number of sperm is probably to provide sufficient enzymes to dissolve the corona cells.

Hydatidiform mole is formed when multiple sperm enter an ovum.

Term for a fertilized ovum

Implantation takes place approximately 8-10 days after fertilization.

The umbilical vein carries oxygenated blood

Ductus Arteriosus is the adaptation used so blood can pass to the inferior vena cava from the umbilical vein

"Air sacs" of the baby in utero is filled with fluid

There is an increase pressure in the pulmonary artery in the fetal circulation

Foramen ovale allows blood to go from the right atrium to the left atrium.