How did heart come to refer to the shape?

Origin of Everything, Why Does the ❤️ Heart Symbol ❤️ Look That Way?, Season 1, Episode 21

Bicornuate Uterus (Double Uterus): Symptoms & Treatment

Heart-shaped Clipart Transparent - Very Cute Heart Transparent PNG - Clip Art Library

Stata graphs: Hearts ♥. Learn to make hearts in Stata. Also…, by Asjad Naqvi, The Stata Guide

Size, Form, and Location of the Heart

Love,Signs of the hand mean love,men and women using hand made heart shape,valentine Stock Photo

Enlarged Heart (Cardiomegaly): Causes, Treatment, and More

Million Hearts has leaf that look like heart shape mean give million hearts to be loved Stock Photo - Alamy

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Ejection Fraction: What Do the Numbers Mean?

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