Your cheeks may have turned red before. Maybe it was after you did something silly in front of other people. This is called blushing, and it happens to most of us. Some scientists in the Netherlands are studying blushi...
All blood cells (red cells, white cells and platelets) develop from haematopoietic (literally meaning "blood-making") stem cells, located in the bone marrow. It has recently been found that manyplatelets are made in the lungs, from megakaryocytes that have migrated there from the bone marrow....
On the other hand, people with blood type O do not produce either antigen, which makes them universal donors, 另一方面,O型血的人不生产任何一种抗原,这就使得他们成为了大众捐献者, but will cause their immune system to make antibodies that reject any other blood type. 但这也会导致他们的免疫系...
Step-by-Step Solution:1. Understanding Air Pressure at High Altitudes: - When an airplane flies at high altitudes, typically between 31,000 to 38,000 feet, the air pressure outside the airplane is significan
Contrary to what many people think, the blood in our veins, i.e., deoxygenated blood, is not blue. In fact, no kind of human blood is blue. If anything, deoxygenated blood is even redder than regular, oxygenated blood. If you have ever had your blood drawn and noticed its color, you...
The questionnaire contained questions about the knowledge young people have about donating blood, their attitudes and opinions about donating blood, their prejudices related to it etc. After the questionnaire was completed, a lecture was given about donating blood after which they could ask questions....
a每个人都有各自的生活,有过交集就是幸福 Each people all have respective life, has had occurring together is happy[translate] aso die si 如此SI[translate] aHave you ever donated your blood? Why or why not? 正在翻译,请等待...[translate]...
but despite this, many balding people still wish their hair would return. 但是尽管如此,很多秃顶的人还是希望他们的头发还能长回来。 Scientists have long pondered, 科学家们思考良久, "Why do some people lose their hair, and how can we bring it back?" ...
#学术英语听力-TED Ed-Why do blood types matter?_中英对照# 此视频已经上传到《 OBBC听力微博群 》,请仔细其中的生词,短语以及长难句。 L老朱英语的微博视频 小窗口 û收藏 转发 评论 ñ2 评论 o p 同时转发到我的微博 按热度 按时间 正在加载,请稍候... 教育博主 ...
Why do we have different blood types? Scientists estimate that blood types have been around for at least 20 million years. But doctors have only known about them for the last 116 years.Before 1900, countless people died after they were injec...