在人体血液循环中,动脉血变成静脉血是发生在(    )    A.

在人体血液循环中,动脉血变成静脉血是发生在(   

   A.血液流经心脏时                       B.血液流经肾小球时

    C.肺循环过程                           D.体循环过程

答案

D

相关题目

7. Where does Fred meet Ann? A. At Brown’s house.    B. In the hospital. C
7. Where does Fred meet Ann? A. At Brown’s house.    B. In the hospital. C. At the station.       D. At Kay’s house. 8. How many hours a week does Fred do his part—time job? A. Five h
2009年我国越来越多的公民能够以不同方式参与国家和社会事
2009年我国越来越多的公民能够以不同方式参与国家和社会事务的管理,主要是因为 A.我国公民有直接管理国家事务的权利 B.宪法和法律赋予公民广泛
                         ,把酒话桑麻。(《过
                         ,把酒话桑麻。(《过故人庄》)
假如你叫李华,有一位来自英国的朋友Mike。他与父母一道来
假如你叫李华,有一位来自英国的朋友Mike。他与父母一道来到了中国。初来乍到,他发现自己在家时所学的汉语根本就不够用。因此,他给你发来一封
Everyone wants to be self-confident, but maybe we just don’t know how to be.
Everyone wants to be self-confident, but maybe we just don’t know how to be. Here are some tips on how you can feel more confident about yourself. 71   Everyone has shortcomings. When you have
Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if yo
Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?   A. off; back     B. up; off     C. out; up    D. back; off
下列关于染色体、DNA、基因三者之间的关系,正确的表达图
下列关于染色体、DNA、基因三者之间的关系,正确的表达图示是(     )
针对日益严重的资源浪费现状,中央领导同志做出关于“厉
针对日益严重的资源浪费现状,中央领导同志做出关于“厉行勤俭节约,反对铺张浪费”的重要批示,在全国各地产生了极大影响。中央、地方各级党

最新题目