instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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:
Wilting occurs when water lost by transpiration is not replaced by absorbtion from room.
answer:
What occurs when water lost by transpiration is not replaced by absorbtion from room?


question:
Electrostatic attractions holds ionic and covalent compounds together.
answer:

What holds ionic and covalent compounds together?