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下列关于消化道平滑肌生理特性的叙述，正确的是
下列关于消化道平滑肌生理特性的叙述，正确的是
A.自律性频率较高且稳定
B.伸展性小
C.收缩缓慢
D.对化学刺激不敏感
正确答案：收缩缓慢
标签：
生理学
平滑肌
自律性
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A healthy 32-year-old woman undergoes pulmonary exercise stress testing prior to starting a training regimen in preparation for her first marathon.Normally, during moderate aerobic exercise, which of the following occurs?
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胃肠平滑肌的节律性收缩频率主要决定于