来自《耶鲁大学开放课程：生物医学工程探索 第13集 第13集》

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  that's a big change.'
  这是个大变化
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  You're making smaller changes within a tissue; like,
  在组织内部的变化可能小点
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  'I want more blood to
  我想让流入大脑中掌管
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  go to the region of my brain that's involved in talking
  谈话这个区域的血液多一些
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  and less to the region in my brain that's involved in reading. '
  流入掌管阅读这个区域的血液少一点
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  When you're talking versus reading you want to regulate
  这种调节发生在交谈时
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  where the blood flows on a more smaller scale,
  这时对血流量的调节就相对较小
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  on the scale of a tissue,
  仅在组织内部的调节
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  and its arterioles which are branching within tissues
  在组织内部分支的动脉血管
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  that have the capacity to do that.
  有能力做到这一切
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  You could do something like this,
  你可能会做这样的事
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  let's say this is a very imaginary situation,
  假设在理想条件下