If I were the nurse in this scenario, I would probably go over a lot of key parts of development and how they work. Also, say that most if not all developmental phases are painless, which may help her worriedness. Hope this helps! :)
Plastic. It’s easier to clean and does not have many places for it to hide unlike wood.
The answer is SATURATED FATS. :) Hope this helps!
Bones act as levers as well as the joints connecting them.
