In nerve-free multicellular organisms, the relationships of the cells to each other can only be of a chemical nature. In multicellular organisms with nerve systems, the nerve cells only represent cells like any others, but they have extensions suited to the purpose which they serve, namely the nerves.
When I compete, I love a huge crowd, expectation, pressure, and I like to have nerves: the butterflies flying and my hands shaking. This way, I am completely amped, focused, and ready; otherwise, I tend to be to relaxed, content, and don't perform at my maximal potential.
Nothing gets on other people's nerves at the office more than a whistler. And the sad part is, these whistlers don't know they're doing it. Someone should, tactfully, tell the whistler how much it disrupts the office environment.
Physiology has, at last, gained control over the nerves which stimulate the gastric glands and the pancreas.
