“您的心脏就是您的健康”联合国卫生组织用这个响亮的口号,提醒人们注意保护好自己的心脏。一个人心脏和循环系统的功能主要取决于强有力的心肌,这种心肌富有弹性、没有脂肪、收缩更为完全,搬运和搏出的机能强。心脏功能的标志一般以心脏跳动次数来衡量。一 “Your heart is your health.” WHO has used this loud slogan to remind people to take good care of their heart. The function of a person’s heart and circulatory system depends primarily on the powerful myocardium, which is elastic, fat-free, more fully contracted, and more powerful in handling and stroke. The signs of heart function are usually measured by the number of beats in the heart. one