Professor Frank Baxter and some animated friends answer questions about blood. what makes it red? Why do little animals' hearts beat so quickly? And so much more.
Director: William T. Hurtz
Frank Baxter
Himself
Richard Carlson
Mr. Fiction Writer
Mel Blanc
Squirrel / Turtle / Alligator / Rabbit (voice)
Sterling Holloway
Lab assistant
Marvin Miller
Hemo / Professor Anatomy
Coyote vs. Acme
Garfield
Peppa's Cinema Party
Fantasia
Stuart Little
Arthur and the Invisibles
Crazy Little Food Thing
James and the Giant Peach
Harold and the Purple Crayon
The Poppy Cake
The Cat in the Hat
Vampiro
