Did you know that a frog can stop its heart from beating? Or that an elephant's tooth is heavier than a brick? Or that the brain of an ostrich is smaller than its eyeball?In this book, there are 21 cross-sections that show how skeletons, organs, nerves and muscles fit together inside creatures from across the globe. Animals can have some body parts in common with us humans, such as the brain, heart and lungs - but each creature has its own unique body to help it survive and thrive in the wild. This means that there are all kinds of weird and wonderful organs and senses in the animal kingdom, such as the honey stomach in a honeybee or the ink sac of an octopus. Prepare to be dazzled as you discover incredible information to wow your family and friends with. Uncover some truly amazing facts: did you know that the blue whale has arteries that are so big, a human could swim through them? Learn about surprising ways in which animals have adapted to their environments, such as a scorpion's ability to glow in the dark! Special spotlight sections throughout are packed full of absorbing details about skeletons, organs, muscles and more. Brilliantly bright artwork makes every animal picture fascinating to look at again and again. Featuring mammals, birds, reptiles, amphibians, fish and insects, turn the pages and uncoverwhat's happening inside animals. It's the perfect gift for curious readers everywhere!