(1)小莹缩手的动作是由 _____收缩,牵动骨绕 _____活动产生的.
(2)神经系统结构和功能的基本单位是 _____ .图中[ _____]表示反射弧的神经中枢.
(3)从反射的类型来看,缩手反射属于 _____反射,此类反射不需要 _____皮层参与.
(4)从行为的获得途径来看,缩手反射属于 _____行为,由体内的 _____决定.
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2