Sally, Nick, and The Cat in the Hat learn various functions of the human body including an introduction to the cardiovascular system, skin and the human skeleton, and the digestive system.
Disc #1 -- The Cat in the Hat Knows a Lot About That!: Oh, the Skin We Are In Stories The Skin I'm In Chapters Jiggle Bones Chapters Rumbly Tumbly Chapters Keep The Beat Chapters Sneezy Riders Chapters