Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: Ovulation takes place in the ovary and is part of the menstrual cycle.
[A]: Ovulation takes place in what organ and is part of the menstrual cycle?

[Q]: The thalamus helps to regulate consciousness, arousal, and sleep states.
[A]: What helps to regulate consciousness, arousal, and sleep states?

[Q]: Bacteria may divide several times an hour.
[A]:
Bacteria may divide several what an hour?