当你进行完8 - 10次以下方肺部分进行的呼吸后，将第二步添加到呼吸过程中：首先，和刚才一样用下方的肺吸气，然后，继续吸气，吸入上方胸腔。
When you have filled and emptied your lower lungs 8 to 10 times, add the second step to your breathing: Inhale first into your lower lungs as before, and then continue inhaling into your upper chest.
对于哺乳动物，每次吸气都将富氧空气带进肺中被称为肺泡的“死胡同”。 这些在肺泡中循环的空气通过与肺毛细血管的血液进行气体交换，输进氧气并带走血液中的二氧化碳。
Air circulating through these sacs transfers oxygen into the bloodstream that picks up the blood's carbon dioxide waste.
当我们吸气时，我们的肺会充满空气，空气会把隔膜往下压。
When we inhale, our lungs fill with air, which press the diaphragm downward.
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