Is the tube that carries blood oxygen and nutrients from the placenta to the developing child is known?

Yes, the tube that carries oxygen and nutrients from the placenta to the developing child is known as the umbilical cord. It contains two arteries and one vein, with the vein transporting oxygenated blood and nutrients to the fetus, while the arteries carry deoxygenated blood and waste products back to the placenta. The umbilical cord plays a crucial role in fetal development by providing essential substances for growth.