instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Cells have four cycles.
answer:
How many cycles do cells have?


question:
When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the capillaries.
answer:
When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the what?


question:
Standard measurements in science are very important so that we can compare experimental data from one lab to another and make sure we all are talking about the same thing.
answer:
What in science are very important so that we can compare experimental data from one lab to another and make sure we all are talking about the same thing?