图示人体水盐平衡调节过程,其中“甲”代表( )A.垂体 B.大脑皮层 C.肾脏 D.脑干 答案:【答案】A【解析】人体水盐平衡的调节1.体内水少或吃的食物过咸时→细胞外液渗透压升高→下丘脑感受器受到刺激→垂体释放抗利尿激素多→肾小管、集合管重吸收增加→尿量减少,同时大脑皮层产生渴觉(饮水);2.体内水多→细胞外液渗透压降低→下丘脑感受器受到刺激→垂体释放抗利尿激素
— Would you like some coffee? — No, thanks. I drink coffee. Coffee is bad for my stomach. A. usually B. especially C. hardly D. suddenly