Medical Trivias 2

Some interesting facts and figures from medical and first aid websites:

- Around the world, 50 people a day are blown up by land mines.
- The mosquito is the most dangerous animal in the world. 3000 people die each day from Malaria. World wide, 515 million people are infected.
- Properly performed, CPR delivers less than 30% of the hearts normal flow of oxygenated blood to the brain.
- A red blood cell can circumnavigate your whole body in 20 seconds.
- There are 2.5 trillion red blood cells in your body, which means about two and a half million new ones need to be produced every second by your bone marrow. That's the same as reproducing the population of the city of Toronto every second. That's 100 billion every day.
- If you look at all the cells and tissues in your body, about 25 million are reproduced every second, which is like reproducing almost the entire population of Canada every second!
- Nerve impulses travel at over 400 km/h. When we touch something, we send a message to our brain at 124 mph.
- In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 625 sweat glands, 36 heat sensors and 75 pressure sensors.
- A sneeze explodes out of the body at 166 km/h. A cough travels at 100 km/h.
- The average heart beats at 100,000 times a day.
- Your blood is on a 600,000 mile journey.
- Our lungs inhale over two million litres of air every day, and if they were spread out, they are large enough to cover a tennis court.
- We make 1 litre of saliva every day.
- Over your lifetime, the average person will breathe in around 40 pounds of dust.
- There are more living organisms in one average human body than there are humans in the whole world!
- From 30 years old onwards we gradually shrink.
- We have enough carbon in our bodies to make 9,000 pencils.
- When we blush, our stomach lining goes red too.
- If we put together all the time we spend blinking, we would see blackness for 1.2 years.

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