Question

from the lesson pdf, what does the allantoic fluid contain? the embryos waste the embryos released carbon dioxide nutrients for the embryo oxygen for the embryo

Explanation:

The allantoic fluid in an embryo's development is primarily associated with storing the embryo's metabolic waste (like uric acid). Carbon dioxide, nutrients, and oxygen are typically handled by other structures (e.g., placenta, chorion) or processes. So the allantoic fluid contains the embryo's waste.

Answer:

A. The embryo's waste