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Challenge the ExpertUser Name (userid@oak.kcsd.k12.pa.us)Fri, 04 Apr 97 12:52:48 -0500
How do Whales breathe while they are sleeping, and do they stay underwater while they are sleeping?
Scientists believe that whales sleep with only half their brain. In
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The Adult Humpback's heart is estimated to be about 6 feet wide.
--Ashley Hawkins
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