Fun Fact Friday (#56)

Fun Fact Friday is a meme hosted by Lettora at I’m Booked! If you’d like to join and do your own Fun Fact Friday, just ask! At I’m Booked! Every week we’ll give you five new, fun facts.


This week’s five facts:

1.  Every single cell in our skeleton is replaced every 7 years.

2.  Only about .003 percent of the water on Earth can be used by humans.

3.  Your taste buds are replaced every 10 days.

4.  Samsung's first product was dried fish.

5.  One-third of first heart attacks are fatal, and another third result in permanent damage to the heart.