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
Smart Ways To Cut Food Waste | |
Top 5 BANNED Foods | |
Is Coconut Water As Good As Everybody Claims It To Be? | |
Make Your Own Ginger Vanilla Protein Crunch Bars |
"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 |