Renee, pregnant for the first time, wonders how the developing organism receives nutrients and oxygen and rids itself of waste. This principal organ of exchange between the mother and the developing organism is the ______.

Question

Quizplus · Accepted Answer

The placenta is the primary organ of exchange between the mother and developing organism, where nutrients, oxygen, and waste products are exchanged. The embryo, endoderm, and mesoderm are all involved in early development but do not play a direct role in nutrient and gas exchange.

Renee, Pregnant for the First Time, Wonders How the Developing