毛细血管壁细胞和毛细淋巴管壁细胞生活的内环境分别是()．
①血液和组织液
②血浆和组织液
③淋巴和血液
④淋巴和组织液
- A.①④
- B.②③
- C.②④
- D.①③
正确答案及解析
正确答案
解析
毛细淋巴管和毛细血管都是由单层上皮细胞构成的，毛细血管内部是血液，外面所处环境是组织液，所以毛细血管壁细胞所生活的液体环境是血浆和组织液；而毛细淋巴管内部是淋巴，外部环境是组织液，因此毛细淋巴管壁细胞所生活的液体环境是淋巴和组织液。故选C。
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