The 10 main facts about human body you don't know

You are more amazing than you know!
Nature has produced many wondrous things, but few are more amazing than the human body. From your hard-working heart to your incredible brain, here are 10 facts to surprise you. . Hard-working heart
The heart is the hardest working muscle in the body. Every day, it creates enough energy to drive a semi-truck over 18 miles (30 kilometers). Over a lifetime, that’s equivalent to driving to the moon and back.

2. Amazing brain
The brain is 60 percent fat, but it still works hard. At any given time, your brain can generate up to 25 watts of power – that’s enough to power a light bulb.

3. Growing skin
Skin is the human body’s largest organ and is constantly renewing itself. Your skin sheds 50,000 cells every minute. Over a lifetime, that piles up to 40 pounds (18.1 kilograms) of skin.

4. Womb with a view
Babies in the womb grow 8,000 new brain cells every second. Newborn babies can recognize their mother’s face after just a few hours.

5. Fast sneeze
The typical human sneeze travels at just under 40 mph (64 kph). That’s the same speed as a running tiger!

6. Growing hair
Your hair grows nearly one-quarter of an inch (6 millimeters) every four weeks and keeps on growing for up to six years. The hair then falls out, and another grows in its place.

7. Water
In a lifetime, a person drinks 20,000 (75,000 liters) gallons of water

8.Amazing memory
Smell is the oldest of all the senses - before sight, hearing or touch, creatures evolved to respond to chemicals around them. Your brain can remember over 50,000 different scents.

9.Iron man
There is enough iron in a body to make a metal nail measuring up to three inches (7.6 centimeters) long.

10.Eye for detail
If the human eye were a digital camera, it would have 576 megapixels. An eye can distinguish about 10 million different colors.