Amazing Medical Facts Of Human Body

Human Body is a source to many mysteries. It contains all those things and secrets, within that is not possible to observe with naked eye.

Facts of human body:

• The average red blood cell lives for 120 days.
• There are 2.5 trillion (give or take) of red blood cells in your body at any moment. To maintain this number, about two and a half million new ones need to be produced every second by your bone marrow.That’s like a new population of the city of Toronto every second
• Considering all the tissues and cells in your body, 25 million new cells are being produced each second. That’s a little less than the population of Canada – every second !
• A red blood cell can circumnavigate your body in under 20 seconds.
• Nerve Impulses travel at over 400 km/hr (249 mi/hr).
• A sneeze generates a wind of 166 km/hr (100 mi/hr), and a cough moves out at 100 km/hr (60 mi/hr).
• Our heart beats around 100,00 times every day or about 30 million times in a year.
• Our blood is on a 60,000-mile journey per day.
• Our eyes can distinguish up to ten million colour surfaces and take in more information than the largest telescope known to man.
• Our lungs inhale over two million litres of air every day, without even thinking. Their surface area is large enough to cover one side of a tennis court.
• We give birth to over 200 billion red cells every day.
• When we touch something, we send a message to our brain at 124 mph
• We exercise at least 36 muscles when we smile.
• We are about 70 percent water.
• We make around 1 to 1.6 litres of saliva a day.
• Our nose is our personal air-conditioning system: it warms cold air, cools hot air and filters impurities.
• In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.
• We have copper, zinc, cobalt, calcium, manganese, phosphates, nickel and silicon in our bodies.
• It is believed that the main purpose of eyebrows is to keep sweat out of the eyes.
• A person can expect to breathe in about 45 pounds of dust over his/her lifetime.