摘要
Coriolis Force is the Primary Cause of Right-left Asymmetry.An animal mov-ing on the Northern Hemisphere bears Coriolis force which is perpendicular to thevelocity of the motion and which points to the right of the animal.This right-direct-ing force will be denoted by Fc.It acts throughout the life of an animal;indeed,throughout the lives of all of its ancestors,from the fetal to adult stages in everypart of the body.Let’s consider first a body with two legs sliding on earth.Theright leg would sustain a larger force than the left leg.A complex system of mus-
