TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The female reproductive system consists of structures that produce eggs, secrete female sex hormones, and ultimately enable birth of a fetus.

SOLUTION: What system consists of structures that produce eggs, secrete female sex hormones, and ultimately enable birth of a fetus?

PROBLEM: Phospholipids are vesicles made of.

SOLUTION: What are vesicles made of?

PROBLEM: If everything in a system stays the same but the pressure deceases, gas bubbles will change in they get bigger way.

SOLUTION:
If everything in a system stays the same but the pressure deceases, gas bubbles will change in what way?