Multiple choice

What is the fluid filled bubble called that surrounds the baby while it is growing inside the mother?

  1. Amnion

  2. Amniotic sac

  3. Yolk sac

  4. Chorionic cavity

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is the bag like structure where the fetus develops in amniotes. It is a tough but thin transparent pair of membrane, which hold a developing embryo until shortly before birth.