The spleen continuously destroys millions of old red blood cells, recycling the iron to make new red cells. 脾脏不断地将数百万老化的红细胞解体,循环利用其中的铁元素来制造新的红细胞。 White blood cells, which are part of the immune system, and platelets, 白细胞是人体免疫系统的一部分而血小板则...
How Bones Make Blood Melody Smith At any given moment, trillions of cells are traveling through your blood vessels, sometimes circling the body in just one minute. Each of these cells has its origins deep in your bones. Bones might seem rock-solid, b...
the amount of blood circulating in your body is approximately 1.2 to 1.5 gallons of blood. In adults, blood represents only 7 to 8% of total body weight. This represents approximately 4500 to 5700 ml.
But those 40,000 people would yield only about 8 ounces (28 grams) of gold — not enough to make anyone rich, he said. Iron is far more plentiful in the blood. This element helps red blood cells keep their circular shape, explaining why adults have about 0.11 to 0.14 ounces (3 to ...
Blood is an important part of maintaining the normal life of the human body. Blood can be obtained from the body of the human body in the nutritional delivery of the body, Red blood cells in the blood can carry oxygen to maintain the nervous system of the human brain and the operation ...
[中英文稿][站内视频链接/4种字幕] [中英文稿]:At any given moment, trillions of cells are traveling through your blood vessels,在任何时刻,你的血管内 有几万亿细胞经过,sometimes circling the body in just one minute.有时候能在一分钟内 在身体里循环一周。Ea
Whether you've just met your man or are in a long term relationship, this body language of men guide deciphers the meanings behind his actions.
If there’s a problem with your blood,如果你的血液出了问题，there’s a good chance it can be traced back to the bone marrow.这个问题很有可能 可以追溯回骨髓。Blood cancers often begin with genetic mutations in the stem cells.血癌往往是由干细胞中 的基因突变开始的。The stem cells ...
Bones might seem rock-solid, but they're actually quite porous inside. Most of the large bones of your skeleton have a hollow core filled with soft bone marrow. Marrow's most essential elements are blood stem cells and for patients with advanced blood cancers like leukemia and lymphoma, the...
Breathalyzers operate so well because they understand how the body processes alcohol. How Much Alcohol Is Too Much? Since the alcohol concentration in the breath is related to that in the blood, you can figure the BAC by measuring alcohol on the breath. The ratio of breath alcohol ...