Sleep, 24 hour clock – where is it in your body?

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试卷: WELL AP模拟题英文A卷[查看]
Sleep, 24 hour clock – where is it in your body?
睡眠，24小时生物钟 - 这由身体内哪个部分控制？
A: Strictly in the muscular system 完全在肌肉系统中
B: Strictly in the immune system 完全在免疫系统中
C: Certain nerves within the body 身体内的某些神经
D: Cells within the eyes 眼睛内的细胞

参考答案: C

本题解释:
正确答案：C