AnimationFamily54 min.
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.
Popularity
0.3
Unknown
User score
8.1 / 10
8.125 votes
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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.
Popularity
0.3
Unknown
User score
8.1 / 10
8.125 votes
