Showing posts with label Some amazing medical facts of our body.. Show all posts
Showing posts with label Some amazing medical facts of our body.. Show all posts
Friday, March 9, 2012
Some amazing medical facts of our body.
Friday, March 09, 2012 | 
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art_tatto_design_extremeSome amazing medical facts of our body.
- The red blood cell lives for 120 days on average
- There are 2.5 trillion red blood cells in our body at any time. About two and half millions of new ones are to be produced every second by bone marrow.
- Our heart beats about 100000 times per day
- The human heart continues to beat even if it is taken out of our body or cut into pieces.
- 25 million cells are produced each second in our body.
- Nerve impulses travel at a speed of 400 Km/Hr.
- A red blood cell can travel completely through your body in just 20 seconds.
- We inhale about two million liters of air every day through our lungs. Our lungs are large enough to cover a tennis court.
- 100 billion red blood cells are generated every day in our body.
- Our body contains 70% water.
- In one square inch of our hand, we have nine feet of blood vessels, 600 pain sensors, 9000 nerve ending, 36 heat sensors and 75 pressure sensors.
- Humans gradually start sinking in size from the age of 30 years.
- The life span of a taste bud is only 10 days.
- It is impossible to sneeze with eyes open.
- The largest artery in our body is the Aorta. It is almost the diameter of a garden hose.
- The capillaries, on the other hand are so small that it takes ten capillaries to equal the thickness of human hair.
- The heart pumps about 1 million barrels of blood through out our life time.
- Babies start dreaming even before they are born.
- The human body can function without a brain.
- A fetus acquires the fingerprints at the age of three months.
- The average human head weighs about 10 pounds and the average human brain weights 3 pounds.
- When you sneeze, all your bodily functions stop, including the heart.
- Human teeth are almost as hard as rocks.
- Every month you grow a brand new outer layer of skin!
- The length of your foot is same as your forearm between your wrist and the elbow.
- Our brain has about 100 billion nerve cells.
- The length of human blood vessel so large that it circles the globe 2 and 1/2 times.
- 80 to 100 hairs fall from our head every day.
- As we grow older, the brain loses one gram per year.
- The heart muscles stop functioning only when we die.
- The total surface area of our brain is 25000 square cms.
- There are 12,00,000 optical fibers in the human eye.
- A drop of blood contains 280 million cells.
- Every one is color blind at birth.
- Liver is the only organ in our body, which regenerates itself completely even after it is removed completely.
- An average scalp has 100000 hair on it.
- The maximum length of hair can be from 70 to 90 cms.
- The life span of hair is 2 to 7 years.
- The human skeleton renews every 3 months.
- The food gets into the stomach even we stand on our head.
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