I understand the actual knob on a breast for a feeding purpose . Wouldn’t just that be enough ? Why the areola around it especially with a different shade of colour to the rest of the breast ?
In: Biology
It’s a misconception that everything in the human body serves a useful purpose. Think about the tail bone for example. Or the blind spot in our eyes. Or how about a single pipe to eat drink and breath through. The small appendix etc .
Something are just incidental remnants form the evolutionary branches we took
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