Hydrostatic skeleton
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03/24/24
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电影与动画
Hydrostatic skeleton
Worms and Jellyfish have an internal skeleton created from a fluid called a hydrostatic skeleton.
An internal cavity called a coelom fills with fluid and basically inflated the animal.
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an
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