Eleanor Lutz's Animated Guide To Breathing - 13 views
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Dean Mantz on 28 Oct 14Great animation comparing how a grasshopper, birds and human breath
I have a sister who is suffering from asthma. So when she visited my house she was so happy because she said she can breathe easily. So I told her it was because I had my HVAC system cleaned regula...
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1. When you are looking at someone you love, your pupils dilate, and they do the same when you are looking at someone you hate. 2. The human head is one-quarter of our total length at birth but on...