TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Most have cells that are not able to exchange gases with the outside environment do multicellular organisms need transport systems.

SOLUTION: Why do multicellular organisms need transport systems?

PROBLEM: For to synthesize glycogen purpose does liver use the excess carbohydrate.

SOLUTION: For what purpose does liver use the excess carbohydrate?

PROBLEM: The magnetic field produced by a  current in a wire moves in concentric circles.

SOLUTION:
How does the magnetic field produced by a current in a wire move?