Why is the human body is symmetrical in exterior, but inside the stomach and heart is on left side? what advantages does it give to us?
In: 6507
Not sure about the heart/stomach in particular.
If you take two groups of any animal, and put them on two completely equal rooms for a very long time, they will look different eventually. Most of the time, evolution is random and does not yield any advantage. It could very well be that at one point, everyone with a right-side stomach died in a unrelated catastrophe, and now we only have left-side stomach individuals.
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