instruction:
In this task, you are given a paragraph, and your task is to construct a question from the given passage. Construct question in such a way that (i) it is well explained in the paragraph, (ii) the words may/may not be present in the paragraph, (iii) it should start with what/how/describe. Avoid creating a question that (i) is just relevant to one or two sentences, and (ii) not relevant to passage.
question:
Fluid. Waste enters the kidneys. A processing moment in the kidneys let waste and fluid pass. Prevents larger molecules to pass. Fluid goes back to the bloodstream. Bad waste is removed. The final product is turned into urine.
answer:
Describe how kidneys work

question:
Add water to a pot. Put the pot over a source of heat. Turn the heat on. Wait for a few minutes. Begin to observe small bubbles in the water. Wait until the water starts to bubble a lot. Wait until you can see steam rising from the water. Turn the heat source off. Take the pot off of the heat source.
answer:
How do you get water to boil?

question:
The virus finds an animal cell. The virus attaches to the cell's surface. The cell swallows the virus. The virus' RNA is released into the cell. The cell mistakenly reads the virus' RNA instead of its own. The cell creates new viruses. The animal cell releases the new viruses. The new viruses can infect more cells.
answer:
How does a virus infect an animal?