Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: The properties of the alkali metals are similar to each other as expected for elements in the same family.

Answer: The properties of the alkali metals are similar to each other as expected for elements in the same what?


Question: Platelets blood component serves both structural and molecular functions in blood clotting.

Answer: What blood component serves both structural and molecular functions in blood clotting?


Question: Nervous system system is capable of responding quickly to changing situations.

Answer:
Which system is capable of responding quickly to changing situations?