肺的一项意外功能被发现了。研究人员发现肺不仅仅能促进呼吸作用,在造血方面也起关键作用,肺每小时能制造1000多万血小板(微小的血细胞),这相当于任何特定时刻循环中的血小板的大多数。
8. Your appendix might not be a useless evolutionary byproduct after all. Unlike your wisdom teeth, your appendix might actually be serving an important biological function - and one that our species isn't ready to give up just yet.
你的阑尾终究可能不是一个无用的进化副产物。你的阑尾不像智齿那样,事实上它可能发挥着重要的生物学功能,恰好现在人类还没准备好放弃阑尾的这种功能。
9. The brain literally starts eating itself when it doesn't get enough sleep. Chronic sleep deprivation causes the 'clearing' process that usually happens when we sleep to kick into hyperdrive, prompting the brain to clear a huge amount of neurons and synaptic connections away.
当大脑没有得到充分休眠时,它确实就开始自噬了。在我们睡觉的时候,“清除”程序通常就会启动,但长期缺乏睡眠会使该程序处于高速运转状态,促使大脑清除大量神经元连接和突触连接。
10. Neuroscientists have discovered a whole new role for the brain's cerebellum. It's long been assumed that the cerebellum functions largely outside the realm of conscious awareness, coordinating basic physical activities like standing and breathing, but it could actually play a key role in shaping human behaviour.
【神奇!2017关于人类身体的11项重大科学发现】相关文章:
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