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?

Question

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

Answer 1

Evolutional traits don’t need to be advantageous, they just need to not be disadvantageous. The answer to a lot of these types of questions is simply: “it works well enough that way.”