哈维发现了血液的循环。
血液的保质期是42天，因此人们不断献血是很必要的。
Blood has a shelf life of 42 days; so continuing donations are essential.
一个国家若有1%至3%的人口献血，即可满足其对血液的所有需求。
A nation can meet all its need for blood if only 1% to 3% of its population donate.
新型的组合型设备同时还可以控制流经心脏的血液的流动，提升心脏的供血能力。
Newer combination devices also control how blood moves through the heart, improving pumping capacity.
我相信依靠我心脏的搏击，血液的脉动以及头脑中的音乐来跳舞是我的天性。
I believe it is in my nature to dance by virtue of the beat of my heart, the pulse of my blood and the music in my mind.
安全血液的可靠供应对于加强若干层次的卫生服务、尤其对于妇女和儿童极其重要。
A reliable supply of safe blood is essential for scaling up health at several levels, particularly for women and children.
据世卫组织建议，献血人数至少要达到国家人口的1%，一般就足以满足国家对安全血液的基本要求。
WHO recommends that blood donation by at least 1% a country's population is generally sufficient to meet a country's basic requirements for safe blood.
63岁的菅直人以耿直著称，在上个世纪九十年代中期，时任厚生省大臣的他勇敢揭穿了医疗中使用HIV污染的血液的严重事件。
Known for his quick temper, Mr. Kan, 63, gained national attention in the mid-1990s when as health minister he exposed the use of blood tainted with H.I.V..
荷兰科学家发明了一项DNA测试，只需利用一滴血液或者唾液，就可以测定一个人天然的头发颜色。
Dutch scientists have come up with a DNA test that can determine a person's natural hair color, using no more than a drop of blood or saliva.
而向皮肤输送更多的血液有助于及时散发体热并预防体温上升到致命高度。
Directing more blood to the skin removes body heat and helps keep your body's temperature from rising to dangerous levels.
水可以让你的血液流通顺畅，而空气可以让你更加精力充沛。
水可以让你的血液流通顺畅，而空气可以让你更加精力充沛。
多普勒超声技术显示，针灸能增强治疗部位的血液循环；红外热成像技术显示，针灸能促使炎症消退。
Doppler ultrasound shows that acupuncture increases blood flow in treated areas. Thermal imaging shows that it can make inflammation subside.
在6月14日世界献血者日，世界卫生组织(世卫组织)将发表其最近关于采血和血液检测方法的全球调查结果。
On World blood Donor Day, 14 June, the World Health Organization (WHO) publishes findings from its most recent global survey on blood collection and blood testing practices.
据英国《每日邮报》报道，美国科学家近日成功研制出人造血液，将于5年内用于救治战场上的伤员。
US scientists have developed "artificial" blood that could be used to treat wounded soldiers in battle in 5 years' time, the Daily Mail of London reported.
这一天是由世界卫生大会选定的，以便通过自愿无偿献血促进普遍获得安全血液。
This day has been chosen by the World Health Assembly to promote universal access to safe blood through voluntary unpaid blood donation.
科学家说：未来某一天，医生们可以通过血液检测来提前数十年推测女性进入绝经期的时间。
Doctors could one day use a blood test to predict decades in advance when women will go into menopause, scientists say.
血液测试是否应该更面向大众呢，比如在大型购物中心里免预约的诊所内人们就可以接受血液测试？
Should blood tests be made more accessible to the public, such as through walk-in clinics in shopping malls?
对每百毫升血液酒精含量达到80毫克及以上的驾驶员依法认定为醉驾。
Drivers who are found with 80 milligrams of alcohol or more per 100 milliliters of blood are considered drunk under the law.
这些食物均能增加大脑的血液流量，从而帮助大脑更快更好地工作。
All of these foods work to increase blood flow to the brain which means a higher quality and quantity of brain function.
但现在有研究小组认为这种激素不仅能提醒人们补充卡路里，它可能还有助于调节血液中的胆固醇水平。
But a team of researchers thinks this hormone might be doing more than just urging you to pile on some calories. It might also be helping to regulate the levels of cholesterol in your bloodstream.
如果心脏更强壮了，心率就会下降，因此，在心脏向外输送与之前同等数量的血液时，它就不用再费那么大力气了。
And if it is stronger, the heart rate will drop, so that the heart puts less effort into pumping the same amount of blood.
食用高纤维膳食将减缓消化，使糖分缓慢的释放到血液中。
Consuming a fiber-rich diet will slow down digestion and gradually release the sugar into your bloodstream.
“很多研究表明当身体缺少氧气和血液供应时，降低体温可以很好的保护大脑，”Abella告诉美国广播公司记者。
"A number of studies have shown that hypothermia — reduced body temperature — is highly protective of the brain when it is starved for oxygen and blood flow," Abella told ABC News.
2007年世界献血者日的主题是安全血液促进母亲安全。
In 2007, the theme of World Blood Donor Day will be Safe Blood for Safe Motherhood.
2007年世界献血者日的主题是安全血液促进母亲安全。
In 2007, the theme of World Blood Donor Day will be Safe Blood for Safe Motherhood.
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