8 Interesting Facts About Your Lungs
Breathing is the most important thing your body does. Without breathing, you simply cannot live. It’s something you do without even thinking—unless you suffer from a lung condition that makes breathing a difficult task. There are many facts about the respiratory system and the lungs that most people are unaware of.
Here are some facts about the lungs from the Lung Institute that are definitely worth knowing.
1. A person usually breathes an average of 13 pints of air every minute.
2. Lungs aren’t the same size. To accommodate the heart, the right lung is larger than the left lung (in human beings).
3. Lungs float on water! It’s not something most people are aware of, but it’s true. The lungs are the only organs in the human body that are capable of floating on water.
4. What do lungs and a tennis court have in common? Their size! It seems pretty impossible, but if the lungs were opened flat, they would be so big that they would cover the size of a tennis court.
5. Oxygen only plays a small part in breathing. The air we breathe contains 21 percent oxygen, but our bodies only use 5 percent—the rest is exhaled.
6. Seventy percent of waste is eliminated through your lungs just by breathing.
7. Children and women are faster breathers than men because their breathing rate is higher.
8. Humans exhale up to 17.5 milliliters of water per hour.
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