This page of Hyperphysics, from Georgia State University, uses elasticity to explain why a baby needs help to take its first breath, and also why people with emphysema have so much difficulty exhaling. Another section explains why capillaries can be extremely thin, whereas large arteries must have strong, thick walls. A third section describes the physics of the aneurysm, a bulge in the walls of a larger artery.
%0 Electronic Source %A Nave, Carl Rod %D 2005 %T The Baby's First Breath %V 2014 %N 9 March 2014 %9 text/html %U http://hyperphysics.phy-astr.gsu.edu/hbase/ptens3.html
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