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killak killak
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5 years ago
The human spine acts like a weight-bearing column. Compare this to the spine of a horse, which acts like an elastic suspension bridge. Which organism would you predict to experience more back pain and why?
A) the horse, because its spine is less evolutionarily advanced
B) the horse, because its spine supports more organ systems than human spines
C) the human, because in order to walk upright, the spine is compressed
D) the human, because of longer neurons
Textbook 
Campbell Biology: Concepts and Connections

Campbell Biology: Concepts and Connections


Edition: 8th
Authors:
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Education is the most powerful weapon which you can use to change the world.
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Chris R.Chris R.
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5 years ago
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killak Author
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5 years ago
This calls for a celebration Person Raising Both Hands in Celebration
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Good timing, thanks!
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2 hours ago
Thanks
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