Medical Fun Facts

Did you know that a human being can die from lack of sleep sooner than from starvation? Unbelievable, right? 

The human body has fascinating features you would never think of. Our bodies are amazing, and so we shouldn’t take good care of them by eating healthy for example balanced meals and fruits, not forgetting to stay on the hydration lane!

Medical Fun Facts Suitable For Both Kids and Adults

We have compiled amazing fun facts about our bodies and medical matters. They are not suitable for adults only, you can read also them together with your kids, so they learn the medical aspect of their bodies.

From our sensitivity to keen smell to our amazing eyesight, all the different parts make a system that works together, so that we are able to be productive as we go about our daily lives.

Hope you have fun exploring these fascinating medical fun facts and quizzes. 

Medical fun facts

  • 10% of human dry weight comes from bacteria.
  • Humans are the only primates that don't have pigment in the palms of their hands.
  • Babies start dreaming even before they're born.
  • The heart pumps about 1 million barrels of blood during an average lifetime - that's enough to fill 2 oil super tankers!
  • Your body has about 5.6 liters (6 quarts) of blood. This 5.6 liters of blood circulates through the body three times every minute.
  • Capillaries, on the other hand, are so small that it takes ten of them to equal the thickness of a human hair.
  • The aorta, the largest artery in the body, is almost the diameter of a garden hose.
  • Give a tennis ball a good, hard squee ze. You're using about the same amount of force your heart uses to pump blood out to the body.
  • It's impossible to sneeze with your eyes open.
  • The life span of a taste bud is ten days.
  • If you could save all the times your eyes blink in one life time and use them all at once you would see blackness for 1.2 years!
  • The human body has less muscles in it than a caterpillar.
  • When you blush, your stomach lining also reddens.
  • One square inch of human skin contains 625 sweat glands.
  • The amount of carbon in the human body is enough to fill about 9,000 'lead' pencils.
  • Most people have lost fifty per cent of their taste buds by the time they reach the age of sixty.
  • The surface area of a human lung is equal to that of a tennis court.
  • Your body contains enough iron to make a spike strong enough to hold your weight.
  • From the age of thirty, humans gradually begin to shrink in size.
  • There are more living organisms on the skin of a single human being than there are human beings on the surface of the earth.
  • A person can expect to breathe in about 45 pounds of dust over his/her lifetime.
  • It is believed that the main purpose of eyebrows is to keep sweat out of the eyes.
  • 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.
  • Our nose is our personal air-conditioning system: it warms cold air, cools hot air and filters impurities.
  • We make around 1 to 1.6 litres of saliva a day.
  • We are about 70 percent water.
  • We exercise at least 36 muscles when we smile.
  • When we touch something, we send a message to our brain at 124 mph
  • We give birth to over 200 billion red cells every day.
  • 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.
  • Our eyes can distinguish up to ten million colour surfaces and take in more information than the largest telescope known to man.
  • Our blood is on a 60,000-mile journey per day.
  • Our heart beats around 100,00 times every day or about 30 million times in a year.
  • A sneeze generates a wind of 166 km/hr (100 mi/hr), and a cough moves out at 100 km/hr (60 mi/hr).
  • Nerve Impulses travel at over 400 km/hr (249 mi/hr).
  • A red blood cell can circumnavigate your body in under 20 seconds.
  • 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 !
  • 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.
  • our blood is on a 60,000-mile journey per day
  • The average red blood cell lives for 120 days.


  • Leave a Comment