Did You Know…

April 20, 2011

  1. The length from your wrist to your elbow is the same as the length of your foot.
  2. Your heart beats 101,000 times a day. During your lifetime it will beat about 3 billion times and pump about 400 million litres (800 million pints) of blood.
  3. Your mouth produces 1 litre (1.8 pints) of saliva a day.
  4. The human head contains 22 bones.
  5. On average, you breathe 23,000 times a day.
  6. Breathing generates about 0.6g of CO2 every minute.
  7. On average, people can hold their breath for about one minute. The world record is 21 minutes 29 seconds, by David Merlini.
  8. On average, you speak almost 5,000 words a day – although almost 80% of speaking is self-talk (talking to yourself).
  9. Over the last 150 years the average height of people in industrialized nations increased by 10 cm (4 in).