10 less-known facts about breathing

Most of us know that the respiratory system is responsible for taking in oxygen and expelling carbon-dioxide. Here are 10 less-known facts that will keep you from yawning!

  1. Hairs in the nose help clean and warm the air we breathe.
  2. Women and children breathe at a faster rate than men.
  3. The surface area of the lungs is roughly the same size as a tennis court! If all the alveoli in both lungs were flattened out, they would have a total area of about 525 square feet!
  4. We lose about 12 oz of water of water a day through breathing. In addition to exhaling carbon dioxide, you also exhale water.
  5. Lungs are the only human organ that can float in water! Each of your lungs contains about 300 million balloon-like structures called alveoli, which replace the carbon-dioxide waste in your blood with oxygen. When these structures are filled with air, they make lungs float.
  6. Yawning is a result of your body not taking in enough oxygen from the air, which causes a shortage of oxygen in our bodies. The brain senses this shortage of oxygen and sends a message that causes you to take a deep long breath (a yawn!).
  7. The surface area of an adult’s lungs is roughly the same size as a tennis court!  If all the alveoli in both lungs were flattened out, they would have a total area of about 525 square feet,
  8. Your left lung is smaller than your right (which leaves room for your heart!)
  9. A person at rest usually breathes between 12 to 15 times a minute. Newborns up to 6 weeks breathe between 30 to 60 times per minute!
  10. The word “Lung” originates from 13th century European language, it means “light” which refers to the weight of the organ when considering its size. (because there is so much air in there, and air is light!

Source: Health World Education

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