My daughter would like to know why we have a dominant side. I’m pretty darn curious too.
In: Biology
Among the other answers we can also add the concept of “chirality.” The molecules that make up the matter in the universe may have a sort of “handedness” to them. For instance, look at your hands. They are essentially identical, with a palm, 4 fingers, a thumb, similar bones, and so forth. But they are swapped in a sort of mirror image. Various molecules in the human body(and other living things) are similar. They turn a certain way, and if they went the other way wouldn’t work properly in relation to other molecules in various processes. These ongoing processes are commonly known as being alive. The body has a certain preference toward a specific chirality, which may at least partially explain why there is a preference for one direction or another, since our life processes do in fact have a preference for one direction over another.
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