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FACT: Men have erections every hour to hour and a half during sleep. This is because the combination of blood circulation and testosterone production can cause erections during sleep and are a necessary part of REM sleep.

Cellular Metabolism And Fermentation Gif

At the knee combined, three bone fragments connect: your own femur, tibia, and patella. Those about three large your bones require a great equally huge joint to attach them. Therefore your kneecap is the biggest joint in the human body.

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