What significant role does the placenta play for the fetus?

The placenta plays a crucial role in facilitating gas and nutrient exchange between the mother and the fetus. Its structure allows for the efficient transfer of oxygen and nutrients from the maternal blood to the fetus while simultaneously removing carbon dioxide and metabolic wastes from the fetal circulation. This exchange is vital for the growth and development of the fetus throughout pregnancy.

The placenta also serves other essential functions, including hormone production and providing some degree of immunological protection. However, its primary function is the exchange of gases and nutrients, making it indispensable for fetal health. By maintaining this exchange, the placenta helps ensure that the developing fetus receives what it needs to thrive while also supporting waste removal, which can be critical for preventing harmful build-up in fetal environments.