Combined with his hiked systolic blood pressure — up by nearly 15 per cent — it could put him in line for stroke.Systolic blood pressure relates to the pumping out of blood by the heart.
他的舒张压升高了15%，这是心脏泵出血液时的压力，受到这个压力时，心跳数字最容易发生变化。
2
The more flexible an artery, the better able it is to expand as it fills with blood and contract as it pushes blood farther down the line.
动脉越灵活，就能够在填充血液和推动血液流动的时候更好的扩张和收缩。
3
By blocking the blocker-to football fans, adding an extra guard to your offensive line-the scientists got nitric oxide to open blood vessels again and increase blood flow, at least in lab animals.