The digestive system / Christine Taylor-Butler.

By Christine Taylor-Butler.

The digestive system / Christine Taylor-Butler.

Description

Did you know that your nerve impulses are 1,000 times SLOWER than your computer? Or that it's normal to fart - as often as 20 times a day? Get the buzz on health and the human body with this fun and fascinating series. - from Amzon

ISBN(s)

0531207315, 9780531207314

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