Add one more clothes if children shed nasal mucus.

孩子流鼻涕了，加一件衣服。

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"There isn't any significant nutritional content in nasal mucus," says Andrade.

“鼻涕中没有任何重要的营养含量”，安德拉德说。

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Nasal mucus is the first line of defense against the millions of bacteria that constantly try to invade the body.

鼻粘液是抵抗成千上万试图侵人人体的细菌的第一道防线。

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Each is lined with tissue called the mucosa, which secretes mucus continuously along hairy cells called cilia and out a tiny passageway called an ostium, through which the mucus drains into the nasal cavity and down the back of the throat, where it is swallowed (unless you blow your nose).

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