McKinley Presidential Library & Museum - How can bats hang upside down with out passing out? A bat's circulatory systems pumps the opposite way — away from its head. Also, while all
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Curious Kids: why bats sleep upside down, and other stories of animal adaptation
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Why Bats Sleep Upside Down and The Secret of Yom Kippur - Aish.com
Which bats hang upside down? Why do they sleep that way? - Quora
Bat Hanging Upside Down Sleeping Stock Photo | Adobe Stock
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How Do Bats Land Upside Down? | National Geographic - YouTube
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Why Do Bats Hang Upside Down? - Bat Conservation International
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Curious Kids: why bats sleep upside down, and other stories of animal adaptation
