In normal circulation, oxygen poor blood from the body returns to the right side of the heart where it is pumped into the pulmonary artery and to the lungs.

正常情况下，低氧的血从身体回流到右心，然后泵到肺动脉和双肺。

20 minutes after the last cigarette is stubbed out, your pulse and blood pressure start to drop back to normal, circulation will start to improve, and your hands and feet will warm to their usual temperature.

20分钟之后最后一根香烟就被你的身体清除干净了，你的脉搏和血压都开始降到正常水平，血液循环开始改善。你的手脚也会回到它们应有的正常温度。

The second is warming. Qi is the source of energy of the body. This is prerequisite to the maintenance of normal body temperature, normal physiological activities of the viscera and normal circulation of blood and body fluid.

温煦作用。气是身体能量的来源。这是维持正常体温、内脏正常生理活动以及血液和体液正常循环的基础条件。