SCIENCE STUDY

See what’s inside of you

作者：teen

人类的小肠原来这么长。

How long is our small intestine (小肠)? The answer may surprise you. For an adult, it is around 6 to 7 meters long, according to Live Science. The shortest is about 3 meters. Why is it so long? Because it helps us take in the food that we eat. TEENS

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