DescriptionProfessor 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.
View Full Cast Frank BaxterHimselfRichard CarlsonMr. Fiction WriterMel BlancSquirrel / Turtle / Alligator / Rabbit (voice)Sterling HollowayLab assistantMarvin MillerHemo / Professor Anatomy
