100 Trillion Good Bacteria Living in the Human Body


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American Museum of Natural History.

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You can count numbers all around you, from the eight legs on a spider to the one nose on your face. But can you count the hairs on your head or the bacteria in your mouth? The Big Countdown looks at popular topics and reveals a great many numbers that make them fascinating. From the mind-bogglingly large to the smallest and most precious, discover the human body from an exciting new perspective.

Author: Paul Rockett
Paperback: 32 pages
Publisher: Raintree Publishers
Dimensions: 8.5"W x 10.5"H x 0.3"D
Ages: 8+