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有的人感觉到疼痛时会大喊大叫,但并不是所有人都这样。当我们接收到疼痛的刺激时,组织的神经末梢会通过脊髓将这种刺激传送至大脑。这种刺激从大脑(准确地说是从一个叫丘脑的区域)
Some people shout when they feel pain, but not everyone. When we receive painful stimuli, the tissue’s nerve endings send this stimulus through the spinal cord to the brain. This stimulus is from the brain (accurately from a region called the thalamus)