七年级生物下册4.12.3《激素调节》习题3(无答案)(新版)北师大版.doc

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1激素调节习题1、填空题:(1)人体中有的腺具有导管,将细胞的分泌物通过导管排出去,叫做 ;如 等等。(2)有的腺无导管,其分泌物可进入细胞周围的毛细血管里,随血液循环送到全身,这类腺称为内分泌腺;如 等等。(3)在人体内,由内分泌腺分泌的具有重要调节作用的物质,叫做激素。2、判断题:(1)分泌物在体外的叫外分泌腺,分泌物在体内的叫内分泌腺。( )(2)胰腺既是外分泌腺,也是内分泌腺。( ) (3)激素在血液中含量极少,但它产生出来的调节作用却非常显著。( )3、选择题:(1)下列四组腺体中,哪一组的分泌物都是直接进入腺体内的毛细血管的( )A、 甲状腺、胰岛、卵巢 B、唾液腺、肠腺、垂体C、皮脂腺、甲状腺、肾上腺 D、胰腺、皮脂腺、垂体(2)下列腺体不属于内分泌腺的一组是( )A、垂体和甲状腺 B、性腺和肾上腺C、胃腺和唾液腺 D、胰岛和甲状腺(3)垂体在内分泌生理中占有枢纽地位,其主要原因是垂体( )A、由腺细胞构成 B、能分泌多种促激素C、能分泌生长素 D、与大脑有联系

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