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Why is the heart shape not like a heart?

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A silphium seedpod looks like a valentine's heart, so the shape became associated with sex, and then with love. Another possibility is that the shape is a crude representation of a pubic mound, the vulva, a pair of breasts, buttocks, or a pair of testicles. read more

Shape may be sculpted by cell movement, cell division, or changes in cell size and shape, all of which can be influenced by the local environment. The heart appears as a simple tube early in development; later, the tube walls bulge outward to form the cardiac chambers. read more

Historians believe it did play a big role in the economy of ancient Egypt, and its distinct heart shape was used often on coins. Whatever the source of the modern heart shape, today that shape represents love and strong emotion. This is only appropriate, given how important the heart is to the human body. read more

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