FASCINATING FACTS
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.
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.
MOST POPULAR
Questions You Should Never Ask At A Farmers'Market | |
Top 10 Reasons to Practice Yoga | |
The Ultimate Guide To Gym Etiquette | |
How To Stop Feeling Like You Don't Have Enough Time |
"RUNNING QUOTES"
Every Quote We've Got | |
Funny Running Quotes | |
Running Inspiration | |
Views On Running | |
Running Tips & Advice | |
Reasons To Run | |
Quotes Sorted By Author |