Runner Things #1347
Posted on 11 May, 2013
Healthy is satisfyingly delicious.
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Triumph
The Untold Story of Jesse Owens and Hitler's Olympicsby Jesse Owens
Run!: 26.2 Stories of Blisters and Bliss
by Dean Karnazes
The surface area of a human lung is equal to a tennis court. To more efficiently oxygenate the blood, the lungs are filled with thousands of branching bronchi and tiny, grape-like alveoli and microscopic capillaries to keep you properly oxygenated.
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