What is the primary function of the umbilical cord?

A) to cushion the organism as the mother moves about
B) to support the organism's bone development
C) to transport blood between the embryo and the placenta
D) to regulate the developing organism's temperature

Umbilical Cord

A flexible cord-like structure connecting a fetus to the placenta, supplying oxygen and nutrients while removing waste.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to and removing waste from the fetus through the umbilical cord.

Blood

A vital fluid in humans and animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away.