IMDb
7.5 /10
316 votes

Animation · Family · 1957 · 54 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.
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IMDb
7.5 /10
316 votes
Rotten Tomatoes
The tomato isn't ripe
Metacritic took the day off
TMDB
8.1 /10
9 votes
Letterboxd
Letterboxd didn't respond
Weighted average
7.8/10
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