- Uncover facts about blue whales, whose arteries are so big that a human could swim through them.
- Find out how many hearts an octopus has and how it uses them to survive on the sea floor.
- Look more closely at camels to uncover exactly what's going on inside their humps.
- Special feature pages break down the basics of skeletons, organs, muscles and more.
- Uncover facts about blue whales, whose arteries are so big that a human could swim through them.
- Find out how many hearts an octopus has and how it uses them to survive on the sea floor.
- Look more closely at camels to uncover exactly what's going on inside their humps.
- Special feature pages break down the basics of skeletons, organs, muscles and more.
Hardcover
$22.99