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.
Directing | Frank Capra | Director |
Production | Frank Capra | Producer |
Writing | Frank Capra | Writer |
Editing | Frank P. Keller | Editor |
Production | Joseph Sistrom | Associate Producer |
Sound | Raoul Kraushaar | Music Supervisor |
Camera | Harold E. Wellman | Director of Photography |
Directing | William T. Hurtz | Director |
Visual Effects | William T. Hurtz | Animation Director |
Visual Effects | Shamus Culhane | Animation |
Directing | Arthur S. Black Jr. | Assistant Director |
Production | Nancy Pitt | Researcher |
Sound | Archie Dattelbaum | Sound Effects |