Cast

1957

54min 8.125

8.1

8 Votos

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.

Cast

Géneros

Animation Family

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.

Ver Cast