2020-2021学年生物人教版七年级下册随堂检测（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>人体血液运输的动力器官是( )<br>A.心脏 B.静脉 C.毛细血管 D.动脉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/3615350d81a54a0f803f7ab54e1ce2b2/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/f3c16e10e7e24d7297bcea794cc18ef7/D07C5DAD7BA03198F914424CFC806122.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>心脏的结构如图所示,结构名称对应不正确的是( )<imgA.③是左心房 B.⑥是右心房 C.④是左心室 D.④是右心室<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/ed260c1481ae4329a13d9890f969c6ec/D9A7E0722DAB5479A60928D5B8864BC6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/3f61cea3eca748e798c13853b7ddf45d/4CE6914C0E2443615BFF555B90833135.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>能正确表示心脏中血液流动方向的是( )<br>A.心房→心室→动脉 B.心房→动脉→心室<br>C.心室→心房→动脉 D.动脉→心室→心房<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/7eb122e0d48b495cb56eb309acfa0410/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/77f1c964c8324df383b2b81011426fbb/7C956EED9D66308CDA96CDD8F7F1AB46.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>体循环和肺循环两条途径的连通处是( )<br>A.动脉 B.静脉 C.肺 D.心脏<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8045a9bee27446a0b5d73788147ea34e/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/9222845bb8b94cea87359ec79a98d401/AFE7A20B06314A50AB48A2AE2AB5B5EE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>肺循环的途径是:血液从右心室进入肺动脉,经过肺部的毛细血管网,再由肺静脉流回( )<br>A.左心房 B.左心室 C.右心房 D.右心室<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/231ab03433b14c43ba6c1063300e7f5d/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/2dd92a6d9ac841cbb6e0bf433b8f823a/89785E339BC28D099F00AD4E5A3497B8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>血液流经人体内哪一器官后,静脉血变成了动脉血?( )<br>A.心脏 B.肾脏 C.肺 D.肝<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/85d2ea4a5aa6423a80706673f957be97/D7C9A679F3C72D4F1064B7D0A0FD4AD8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/49e24e1f412c44b197dde1b3016c8e42/589545894C562B00146DE7E0164E592E.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>识图作答题。<img <br>1.在“______”上填上相应序号的名称,并回答问题。2.与心室相通的血管是_____,与心房相通的血管是_______。(选“动脉”“静脉”)<br>3.同侧心房与心室之间、心室与动脉之间都有_______结构,使血液只能按一定方向流动。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/cd1bdf29466c4ea09c6bb39f56652760/6451EA9F5620D91A7169674A20B84121.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/38e0535253de4317acbced7c4f6153aa/1BE704E7B47D81B79DEE42E024899051.png"><br><br>
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