2019-2020学年初中生物人教版七年级暑假作业 （11）输送血液的泵——心脏
※题型：单选题※知识点：单选题※试题难度：中等<br>心脏的壁由厚到薄的排序,依次是( )<br>A.左心室、右心室、心房<br>B.右心室、左心室、心房<br>C.心房、左心室、右心室<br>D.心房、右心室、左心室<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/e62e2e83a3a04ded828671db75ac782e/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>关于心脏中瓣膜的叙述,不正确的是( )<br>A.心房与心室之间有房室瓣<br>B.心室与动脉之间有动脉瓣<br>C.左右心室之间有静脉瓣<br>D.瓣膜的作用是防止血液倒流<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/476c2723b3674214966caee72ebce654/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>如图是人体心脏结构示意图,其中①~④是心脏的四个腔。下列叙述正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2018/4/8/5961679980FDD71AC50024D25ECC5985.png"><br>A.④是右心室,其腔壁最厚<br>B.静脉注射的药物最先进入①<br>C.与③相连接的血管是肺动脉<br>D.②中流的是动脉血<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2018/b935b8166fa6478d97a4358002c511f2/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2018/13a0b40322c74f14a0f5d63b5678be90/089D35DA2FAD237BD676CFF9EFC3D063.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>若向离体的新鲜猪心脏的主动脉注水,则水会从哪一结构流出( )<br>A.肺动脉 B.肺静脉 C.主动脉 D.下腔静脉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/a2cb5c53f790453bb7c5553e9bab29f0/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/518dd07b27f34840bc47663bc1b9f3f4/78CF47B66287FD3A1F0B94007E575C7E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下图为心脏工作某一时刻的示意图,该时刻心脏状态为( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/12/2/BB6D1E7CF82CCDCB43B0A1A921D153F1.png"><br>style="VERTICAL-ALIGN:middle">A.心房收缩,心室舒张 B.心房舒张,心室收缩<br>C.心房、心室同时收缩 D.心房、心室同时舒张<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/0451d68f8f2942a58ce2e575a9df4dcb/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/7b434d65812c4a3184e915e5687fc2ed/0AA8D5BF955E00B6C0D0E0C8544E4797.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>正常情况下,人体心脏的心房收缩时,血液流动的方向是由( )<br>A.心房流向心房 B.心房流向心室<br>C.心房流向静脉 D.心房流向动脉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/2e94a27bac624df387a4b3449b8df751/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/93ff3851aba346839c267e7b9cb7ac3a/8B984FB2B30C5E8DE1DD0A66055FFD2A.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>人体的血液循环路线可以用“a<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>b<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>c”的模式进行说明,则下列有关a、b、c的判断中,正确的是( )<br>A.a为上腔静脉,b为下腔静脉,c为右心房<br>B.a为左心室,b为左心房,c为肺静脉<br>C.a为右心房,b为右心室,c为肺动脉<br>D.a为肺部毛细血管,b为肺动脉,c为肺静脉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/5d82c4087f9042f28faf5e0c32ea80d9/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/86d0fc180f574c3581ffbaa8cb6a46cc/6AF914490D0331376CCDDE10DA24B756.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>一滴血打算去“旅行”,它从左心室出发,最后又回到左心室,用箭头表示血液的“旅游”方向,在这段旅途中,不可能出现的两个相邻站点是( )<br>A.小肠动脉→毛细血管 B.左心室→左心房<br>C.毛细血管→肝静脉 D.右心室→肺动脉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/84b0f3b7d45149219b5507ada2891589/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/050d1e462a7143189ee34f543e8c7c46/BB27DADDAF3A1CA02BDCB4A43C39AC55.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>一滴血打算去“旅行”,它从右心室出发,最后回到了左心房。这滴血的旅行路线和血液变化分别是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/F0AF2259223A66F9D7E7D50B55462411.png"><br>A.③<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>D<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>E<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>F<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>①静脉血变为动脉血<br>B.③<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>D<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>E<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>F<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>①动脉血变为静脉血<br>C.④<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>A<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>B<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>C<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>②静脉血变为动脉血<br>D.④<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>A<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>B<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>C<img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/D95A02B634EECCA03DA56A445D11AB5E.png"><br>②动脉血变为静脉血<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/f04b2d6563434239a103299c30c944db/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/7a57eb78999c4aaa972c614fd5d2774a/51004D67A16A86B6989AA0BD7F5A044D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>体循环的起点和终点分别是( )<br>A.左心房 右心室 B.右心房 右心室<br>C.右心室 左心房 D.左心室 右心房<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/a442a810d3ad4872ae5bc5e9968451ea/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/527bf81843e5459dae347e4b0b05c77f/E3382CA19E2EEBD7D1AC5D817CCB6487.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>体循环和肺循环中血液流动的共同特点是( )<br>A.心室→静脉→毛细血管→动脉→心房<br>B.心房→心室→动脉→毛细血管→静脉<br>C.心室→动脉→毛细血管→静脉→心房<br>D.心房→动脉→毛细血管→静脉→心室<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/8a4a5f0a3d21416d9e9a2ae857603dcd/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>足球运动在全球体育界最具影响力,被誉为“世界第一运动”,结合下图回答问题。<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/4/25/DB3083A6D73C94C34DF6D859FFD0E2D5.png"><br>1.此图是人体心脏示意图,心脏结构中,心脏壁最厚的是(填字母),能保证血液从心房流向心室的结构是。<br>2.图中由④到①为血液循环中的,经过此循环后,血液变为。<br>3.中国足球队集训地之一昆明属于高原地区,空气中氧气的含量较少,在此环境中集训,可增加运动员血液中的含量,增强血液的运氧能力。运动员体内进人血液中的氧气通过血液循环首先到达心脏中的(填图中的序号)中。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/c536461a279642299f537a8775a689cb/F937BA39BC477B9A3DA9599415D4C4D7.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/1bf8858dfe754f7c838703e74c2116c7/E847A060E59BD17892190C79B70B220D.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>据人体<br>心脏结构示意图回答<br><img src="https://picture2.zhihuicn.com/testImage/2/2019/6/13/964D31EF901B9441A91D95EA53753059.png"><br>1.心脏是血液循环的动力器官,主要由______组织构成<br>2.肺循环开始于[ <br>]______。肺循环完成后,血液由_____血变成______血。<br>3.在心脏结构的A与B之间,C与D之间有防止血液倒流的结构是______;<br>它的主要作用<br>是_______。<br>4.在人体的血液循环中,<br>体<br>循环的起始部位是______(填字母),终止部位是______(填字母)。<br>5.图中A中含有的血是______(填动脉血或静脉血),D中含有的血是______(填动脉血或静脉血)<br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/e396491a57f24a3baf5fb5035ca4ed7d/F532685BC60ADAF26FCE54264830C319.png"><br>解析<br>略<br>
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