Friday, September 16, 2022
问题:下列效应器上受体作用表现为抑制性的是()。A、瞳孔开大肌B、胃肠括约肌C、小肠平滑肌D、膀胱括约肌...
Wednesday, January 29, 2025
问题:乙酰胆碱在运动神经末稍何处合成,贮存在何处?()A、轴浆;细胞膜B、轴浆;轴浆C、轴浆;囊泡D、线粒体;细胞膜E、线粒体;囊泡...
Monday, July 1, 2024
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:正常男子每次射出精液约3-6ml,每ml精液约含()个精子,少于()个则不易使精子受孕。...
Tuesday, July 11, 2023
问题:激素的更新速度常用()来衡量。激素在血液中的浓度都()。...
Friday, September 16, 2022
问题:Bile分泌是不断进行的,但在非消化期进入()储存。...
Friday, September 16, 2022
Thursday, September 15, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:生命中枢位于()A、脊髓B、延髓C、脑桥D、中脑E、大脑皮层...
Sunday, March 12, 2023
问题:请述感觉的特异性投射系统和非特异性投射系统的特点和功能。...
Wednesday, January 29, 2025
Tuesday, September 13, 2022
问题:物质在膜蛋白介导下顺电化学梯度通过细胞膜的过程属于()...
Thursday, September 15, 2022
Tuesday, April 9, 2024
问题:某人的血细胞与B型的血浆凝集,而其血浆与B型的血细胞不凝集,此人...
Friday, September 16, 2022
Thursday, September 15, 2022
问题:通过消化液中各种()的作用,可将食物中大分子物质分解为小分子。...
Sunday, June 8, 2025
Thursday, September 15, 2022