【单选题】【消耗次数：1】
下列属于单纯扩散的是：
①
巨噬细胞吞噬细菌
②
静息电位膜内K+外流
③
O2进入细胞内
④
心肌细胞平台期Ca2+内流
⑤
甲状腺分泌甲状腺素
参考答案：
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相关题目
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心室肌细胞动作电位平台期的形成主要是由于
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Ca2+内流、K+外流
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Na+内流、Cl-外流
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Ca2+内流、Na+外流
【单选题】
心室肌细胞动作电位平台期的形成主要是由于
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Na+内流、Cl-外流
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Na+内流、K+外流
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Ca2+内流、Na+外流
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