The organ through which nourishment and oxygen diffuse into an embryo is called

Explanation

The question is asking about the organ that allows for the diffusion of nourishment and oxygen into an embryo. The options given are amnion, chorion, umbilical cord, oviduct, and placenta. Out of these options, the correct answer is the placenta. The placenta is an organ that develops during pregnancy and connects the developing fetus to the mother's uterine wall. It allows for the exchange of nutrients, gases, and wastes between the mother and fetus. The amnion and chorion are membranes that surround and protect the developing embryo/fetus. The umbilical cord is a flexible cord that connects the fetus to the placenta. The oviduct is a tube through which the egg travels from the ovary to the uterus. It's important to note that the process of embryonic development is complex and involves the interaction of many different organs and systems. The placenta plays a crucial role in this process by providing the developing fetus with the necessary nutrients and oxygen to support growth and development. To learn more about this topic, please refer to your Biology textbook.