下图表示人体内生命活动调节机制的模型,请回答下列问题: (1)

下图表示人体内生命活动调节机制的模型,请回答下列问题:

1)若该模型表示缩手反射的过程,在BD结构中兴奋以_____________的形式向前传导,C位于_____________(器官名称)中。

2)若该模型表示水平衡调节过程,当人吃的食物过咸时,A可能代表体内_____________(生理指标)的上升,进而刺激人体内_____________(器官名称)中相应的感受器,该器官产生的激素的作用是_____________

3)若该模型表示人体内甲状腺激素分泌的部分调节过程,则该过程存在_____________调节现象。

4)若该模型中A表示侵入人体内的H7N9禽流感病毒,C表示B淋巴细胞,在_____________(免疫活性物质)的作用下,CD过程形成E,则E代表的细胞为_____________

答案

1)局部电流(电信号、神经冲动)  脊髓(2)细胞外液渗透压  下丘脑  促进肾小管、集合管重吸收水(使细胞外液渗透压下降)(3)分级(4)淋巴因子  浆细胞和记忆细胞(2分)

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