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How the Body Works : Breathing

Breathing The body's breathing apparatus is enclosed in an expansile bony cage, formed by the ribs, the spinal column and the sternum. The floor of the cage is closed by the muscular diaphragm. ...  
 
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corbinloverperson (1 month ago) Show Hide
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fuckyea. im passing bio now
girlwzbrain (1 month ago) Show Hide
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thanks:)
potatomaster14 (3 months ago) Show Hide
+2
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Thank you!

This video put me to sleep!
fahad0507909592 (5 months ago) Show Hide
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LOL
gundi1268 (7 months ago) Show Hide
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ilyyy brahssss <3333333333
blitzermiman (8 months ago) Show Hide
+2
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this helped me on my physiology test ty!
proust69 (9 months ago) Show Hide
+5
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The animation has room for improvement
DeathM9 (10 months ago) Show Hide
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thanks. you helped me on my project.
masterbg1 (11 months ago)
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Saira93 (1 year ago) Show Hide
+1
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Hahaha lol

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