100 Trillion Good Bacteria Living in the Human Body
Paul Rockett ; illustrator, Mark Ruffle
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- 32 pages illustrations (chiefly color) ; 27 cm.
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- Big countdown. .
"Find out all about the human body, including the millions of bacteria that live in and on us and help our body function healthily, our digestive system, bones and muscles, blood and heart, lungs and breathing, the size of our brain, and the number of hairs on our head"--
9781410968777 1410968774 9781410968845 1410968847
Human physiology--Juvenile literature. Human body--Juvenile literature.