- According to sciencekids.co.nz, "your heart beats around 100000 times a day, 36500000 times a year and over a billion times if you live beyond 30."
- It has been said that " your eyes are always the same size from birth (but your nose and ears never stop growing)." (Ventii)
- Research shows that "25 percent of the human's bones are in the hands and feet." (Author)
- Livescience.com says that, "the average adult takes over 20,000 breaths a day."
- It has been proven that "for every pound of fat gained, you add seven miles of new blood vessels."(Kelso)
- It has been proven that "stomach acid can dissolve metal." (Ng)
- Research shows that "cells in the inner lens of the eye, muscle cells of the heart, and the neurons of the cerebral cortex are the only cells that will be with you your entire life." (Ng)
- Sciencekids.co.nz mentions, "as well as having unique fingerprints, humans also have unique tongue prints."
- It has been said that a "woman's heart beats faster than a man's heart." (Ventii)
- According to livescience.com, "water makes up more than 50 percent of the average adult's body weight."
- It has been said that the "human bone is as strong as granite, relative to supporting resistance." (Kelso)
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