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9 useless body parts that humans no longer need

Some human body parts have become useless over the past few million years. Useless body parts include the appendix, the tail bone, and the muscle fibres that produce goose bumps. Some human body parts serve no purpose despite once having a specific function among our ancestors. The appendix, for example, […]
9 useless body parts that humans no longer need
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What Happens When Your Foot Falls Asleep

Flickr BI Answers: Why does your foot lose feeling when it falls asleep? You’ve had your foot bent in an awkward position for a long time, and now it feels kind of numb, making it difficult to stand up. When this happens, we often say our foot is asleep. That […]
What Happens When Your Foot Falls Asleep