Plot
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.
| Writer | Nancy Pitt |
|---|---|
| Director | Frank Capra & William T. Hurtz |
| Actor | Frank Baxter, Richard Carlson, Mel Blanc |
| Country | N/A |
| Production | N/A |
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