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.
Genres:
Frank Baxter as Himself
Richard Carlson as Mr. Fiction Writer
Mel Blanc as Squirrel / Turtle / Alligator / Rabbit (voice)
Sterling Holloway as Lab assistant
Marvin Miller as Hemo / Professor Anatomy
Made by edimario