There are four basic ___ of blood in the human body. What do you belong to, A, B, AB or O?A:kindsB:sortsC:typesD:classes 相关知识点: 试题来源: 解析 C 结合句意,人体中有四种基本类型的血液。type 意为“类型”,符合题意。 故正确答案为C。核心词汇提示:sort n.种类 v.分类,拣typ...
What are the components of blood?A Crucial Fluid:Blood is a bodily fluid that circulates throughout our body constantly, pumped through blood vessels by the heart. Blood appears to be a solid red liquid but has many different components that each play a very important role in the body....
Sometimes the red blood cells are abnormal, rigid, and sickle-shaped. This sickling of the cells is considered a genetic blood disorder called sickle-cell disease. Sickling results in inflexibility of the cells and can cause various other complications. The cells are misshapen due to a mutation...
This contrasts with the other main cells of human blood: the white blood cells, technically known asleukocytes. Similarly produced in the bone marrow, they are active only for three or four days, yet they are essential in defending the body against infections. White blood cells come in many ...
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2. I'm sure he'll explore all the usual options for why a guy's heart starts beating so fast it pumps out air instead of blood. 我肯定他会罗列出所有的常见病因来解释为什么这个家伙的心脏跳那么快,以至于只泵气不泵血 Wait a second... there are no usual options!
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. Red blood cells, as with all cells in the human body, have a limited operating life. They are produced within the marrow of bones, principally the larger ones, and live for about four months before they fall inactive, to be then reabsorbed by the spleen and liver, with waste products...
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5. What types of blood vessels are in the body?Discuss their structure and function.Blood vessels are of three types: arteries, capillaries,and veins.Arteries transport blood away from the heart. Theyhave think walls composed of an inner endothelium layer(tunica internal), an outer connective ti...