Given a scientific question, generate a correct answer to it.

[EX Q]: All animals have specialized types of what basic structures, which can then do different jobs?
[EX A]: cells

[EX Q]: When atoms gain or lose electrons, they can form electrically charged particles called what?
[EX A]: ions

[EX Q]: Olfactory, optic, and vestibulocochlear nerves are related to what type of function?
[EX A]:
sensory