The chorion develops into the a pancake-like structure that is attached to the endometrium and is about 7 inches in diameter and 1 to 2 inches thick

The chorion develops into the PLACENTA, a pancake-like structure that is attached to the endometrium and is about 7 inches in diameter and 1-2 inches thick.

Placenta is an organ present inside the uterus that contains the fetus and connects the fetus to the uterine wall of the mother. The fetus derives all the nutrients and food from the mother with the help of placenta.

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.

Some of her  assignments would be creation of drugs. she is a medical chemist after all so she'd need to have the necessary knowledge to make medicine which can later be sold in a pharmacy