This is probably because a fetus starved of oxygen will send oxygenated blood to the brain in preference to rest of the body.

这可能是因为一个缺乏氧的胚胎会首先把充氧的血液输送到脑部，然后才送到身体的其他部位。

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Writing it down creates oxygenated blood flow to areas of your brain that a responsible for your memories and literally exercises those parts of it.

写下来将会产生带氧的血流将会增进你的记忆。

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Inversions can help clear the upper respiratory tract and drain secretions from the nose, allowing freshly oxygenated blood to flow into the oral cavity.

倒置体式能清理上呼吸道，排出鼻腔内的分泌物，让新鲜富氧的血液循环到口腔。

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An electric motor revolving up to 10, 000 times a minute pushes an incompressible fluid around the Abiomed heart, and that fluid, in turn, pushes the blood first to the lungs to be oxygenated, and then around the body.

ECONOMIST: A promising new artificial heart wins regulatory approval