(1)在图1中,感受刺激并产生神经冲动的结构是[]
(2)图2表示的是人的膈肌舒张,膈顶部回升,胸廓的上下径缩小,此时肋骨间的肌肉处于
(3)有人边吃饭边说笑,吞咽时会厌软骨来不及盖住喉口,食物进入气管,引起了咳嗽,此反射(咳嗽反射)属于
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