Fecha de lanzamiento
20 Mar, 1957
Tiempo de ejecución
00:54: (HH:MM)
Sinopsis
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.
Fotos
Actores
Frank Baxter
Richard Carlson
Mel Blanc
Sterling Holloway
Marvin Miller
Multitud
Frank Capra
William T. Hurtz
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