6.呼吸氣體的交換動(dòng)力主要是(     )

A.呼吸膜的厚度                                               B.氣體的溶解度  

C.氣體分壓差功能                                           D.氣體相對(duì)分子質(zhì)量

7.胃液成分中與紅細(xì)胞生成有關(guān)的物質(zhì)是(     )

A.鹽酸                                                             B.內(nèi)因子

C.粘液                                                             D.胃蛋白酶

8.對(duì)能量代謝的影響最為顯著的是(     )

A.精神活動(dòng)                                                      B.食物特殊動(dòng)力作用  

C.肌肉活動(dòng)                                                      D.環(huán)境溫度

9.腎小球不能濾過的物質(zhì)是(     )

A.葡萄糖                                                         B.大分子蛋白質(zhì)

C.無機(jī)鹽                                                         D.尿素

10.對(duì)中樞神經(jīng)系統(tǒng)的發(fā)育起重要作用的激素是(     )

A.生長素                                                         B.腎上腺素

C.糖皮質(zhì)激素                                                  D.甲狀腺激素